--- title: "Lisbon to Washington cheap flights from $358 (LIS to IAD) - Expedia" description: "Book cheap Flights from Lisbon (LIS) to Washington (IAD) start at $358 for one-way and $603 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/lis/iad/lisbon-to-washington" language: en-US market: US currency: USD prices_as_of: 2026-11-12T21:04:56Z --- # $358 Cheap Flights from Lisbon (LIS) to Washington (IAD) ![A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.](https://images.trvl-media.com/place/4473161/a816c84d-81e5-4917-97c3-fb76eec1ff91.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $358 flight on Tue, Dec 8, 2026](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:12/8/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:357.29&airProductToken=AQo1CjMI1KABEgMyMzEYi5IBIIgYKIqenwMwnKKfAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJMDgSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) Photo by Metropolitan Washington Airports Authority ## Popular airlines from Humberto Delgado Airport (LIS) to Washington Dulles Intl. Airport (IAD) [British Airways](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) [Lufthansa](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) [Finnair](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) [TAP Portugal](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) [Swiss International Air Lines](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) [Brussels Airlines](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) [Iberia](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:11/26/2026TANYT&leg2=from:IAD,to:LIS,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Lisbon to Washington (LIS-IAD) Prices were available within the past 7 days and start at $358 for one-way flights and $603 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Icelandair flight, departing Sun, Mar 21 from Lisbon to Washington, returning Wed, Mar 31, priced at $603 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:3/21/2027TANYT&leg2=from:IAD,to:LIS,departure:3/31/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:602.19&airProductToken=AQplCjEIxpIBEgM5NTUYi5IBIIopKKimqAMwtqioAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjAIxpIBEgM2NDkYiikgiBgohqmoAzCHrKgDOE9AAVgBagVMSUdIVHIIT0oyUVBUTFQKZQowCMaSARIDNjQ0GIgYIIopKN6bqQMwwZ6pAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjEIxpIBEgM5NTQYiikgi5IBKL6fqQMwwqGpAzhPQAFYAWoFTElHSFRyCE9KMlFQVExUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) Sun, Mar 21 - Wed, Mar 31 · LIS · IAD · Roundtrip [Select Icelandair flight, departing Sun, Jan 24 from Lisbon to Washington, returning Sat, Feb 13, priced at $655 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:1/24/2027TANYT&leg2=from:IAD,to:LIS,departure:2/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:654.79&airProductToken=AQplCjEIxpIBEgM5NTUYi5IBIIopKKiwowMwtrKjAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjAIxpIBEgM2NDUYiikgiBgo8ryjAzCCwKMDOE9AAVgBagVMSUdIVHIIT0oyUVBUTFQKZQowCMaSARIDNjQ0GIgYIIopKKiWpQMwhpmlAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjEIxpIBEgM5NTQYiikgi5IBKP6ZpQMwgpylAzhPQAFYAWoFTElHSFRyCE9KMlFQVExUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) Sun, Jan 24 - Sat, Feb 13 · LIS · IAD · Roundtrip [Select Royal Air Maroc flight, departing Thu, Feb 11 from Lisbon to Washington, returning Sun, Feb 21, priced at $657 Just found](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:2/11/2027TANYT&leg2=from:IAD,to:LIS,departure:2/21/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:656.99&airProductToken=AQpvCjYIwagBEgM5ODMYi5IBIIJrKNP8pAMwqP2kAzhQQABYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEEKNQjBqAESAzIxOBiCayCIGCjdhqUDMOWKpQM4UEABWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCm8KNQjBqAESAzIxORiIGCCCayj98KUDMKH0pQM4UEAAWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCjYIwagBEgM5ODIYgmsgi5IBKJ33pQMw9%5FelAzhQQAFYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEESCggBEAEYASoCQVQYASIECAEQASgCKAMoBDAB) Thu, Feb 11 - Sun, Feb 21 · LIS · IAD · Roundtrip [Select TAP Portugal flight, departing Mon, Dec 7 from Lisbon to Washington, returning Tue, Dec 8, priced at $678 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:12/7/2026TANYT&leg2=from:IAD,to:LIS,departure:12/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:677.39&airProductToken=AQo1CjMI1KABEgMyMzEYi5IBIIgYKI2TnwMwn5efAzhPQABYAWoHRElTQ0lOVHIIT0YwRFNJMDgSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) Mon, Dec 7 - Tue, Dec 8 · LIS · IAD · Roundtrip [Select Royal Air Maroc flight, departing Sun, Jan 31 from Lisbon to Washington, returning Wed, Feb 3, priced at $679 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:1/31/2027TANYT&leg2=from:IAD,to:LIS,departure:2/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:678.45&airProductToken=AQpvCjYIwagBEgM5ODEYi5IBIIJrKLP-owMwiP-jAzhQQABYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEEKNQjBqAESAzIxOBiCayCIGCjd%5F6MDMOWDpAM4UEABWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCm8KNQjBqAESAzIxORiIGCCCayi9pqQDMOGppAM4UEAAWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCjYIwagBEgM5ODAYgmsgi5IBKJ2qpAMw96qkAzhQQAFYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEESDAgBEAEYASoCQVQyABgBIgQIARABKAIoAygEMAE) Sun, Jan 31 - Wed, Feb 3 · LIS · IAD · Roundtrip [Select Royal Air Maroc flight, departing Sun, Jan 31 from Lisbon to Washington, returning Sun, Feb 14, priced at $680 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:1/31/2027TANYT&leg2=from:IAD,to:LIS,departure:2/14/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:679.53&airProductToken=AQpvCjYIwagBEgM5ODEYi5IBIIJrKLP-owMwiP-jAzhQQABYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEEKNQjBqAESAzIxOBiCayCIGCjd%5F6MDMOWDpAM4UEABWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCm8KNQjBqAESAzIxORiIGCCCayidoqUDMMGlpQM4UEAAWAFqCkVFU1NFTlRJQUxyCFBBMEVFMVBBCjYIwagBEgM5ODIYgmsgi5IBKL2opQMwl6mlAzhQQAFYAWoKRUVTU0VOVElBTHIIUEEwRUUxUEESCggBEAEYASoCQVQYASIECAEQASgCKAMoBDAB) Sun, Jan 31 - Sun, Feb 1 · 4 · LIS · IAD · Roundtrip [Select Icelandair flight, departing Sun, Mar 28 from Lisbon to Washington, returning Fri, Apr 2, priced at $682 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:3/28/2027TANYT&leg2=from:IAD,to:LIS,departure:4/2/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:681.23&airProductToken=AQplCjEIxpIBEgM5NTUYi5IBIIopKIj1qAMwlveoAzhTQABYAWoFTElHSFRyCFNKMlFQVExUCjAIxpIBEgM2NDUYiikgiBgo0oGpAzDYhKkDOFNAAVgBagVMSUdIVHIIU0oyUVBUTFQKZQowCMaSARIDNjQ4GIgYIIopKMizqQMwprapAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjEIxpIBEgM5NTQYiikgi5IBKJ7BqQMwosOpAzhPQAFYAWoFTElHSFRyCE9KMlFQVExUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) Sun, Mar 28 - Fri, Apr 2 · LIS · IAD · Roundtrip [Select Icelandair flight, departing Sun, Dec 20 from Lisbon to Washington, returning Sat, Jan 30, priced at $683 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:12/20/2026TANYT&leg2=from:IAD,to:LIS,departure:1/30/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:682.49&airProductToken=AQplCjEIxpIBEgM5NTUYi5IBIIopKMimoAMw1qigAzhJQABYAWoFTElHSFRyCElKMlFQVExUCjAIxpIBEgM2NDUYiikgiBgokrOgAzCitqADOElAAVgBagVMSUdIVHIISUoyUVBUTFQKZQowCMaSARIDNjQ0GIgYIIopKOj4owMwxvujAzhPQABYAWoFTElHSFRyCE9KMlFQVExUCjEIxpIBEgM5NTQYiikgi5IBKL78owMwwv6jAzhPQAFYAWoFTElHSFRyCE9KMlFQVExUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) Sun, Dec 20 - Sat, Jan 30 · LIS · IAD · Roundtrip [Select United flight, departing Thu, Dec 24 from Lisbon to Washington, returning Thu, Dec 31, priced at $749 Just found](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:12/24/2026TANYT&leg2=from:IAD,to:LIS,departure:12/31/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:748.89&airProductToken=AQqJAQpDCNWCARIEOTE1ORiLkgEgpQQorM-gAzDg0KADOEtAAFgBagoxX2Jhc2ljZWNvcghLTFZRQVhCUXoKCMyQARIEOTE1OQpCCNWCARIEODgyNxilBCCIGCjQ0qADMOfWoAM4S0AAWAFqCjFfYmFzaWNlY29yCEtMVlFBWEJRegoIzJABEgQ4ODI3CjgKNgjVggESAzk0MhiIGCCLkgEo0qihAzDsq6EDOEtAAFgBagoxX2Jhc2ljZWNvcghLTFZRQVhCURIKCAIQARgBKgJVQRgBIgQIARABKAIoAygEMAs) Thu, Dec 24 - Thu, Dec 31 · LIS · IAD · Roundtrip [Select Lufthansa flight, departing Thu, Dec 24 from Lisbon to Washington, returning Thu, Dec 31, priced at $749 Just found](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:IAD,departure:12/24/2026TANYT&leg2=from:IAD,to:LIS,departure:12/31/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:748.89&airProductToken=AQp4CjUIzJABEgQxMTczGIuSASClBCisz6ADMODQoAM4S0AAWAFqCEVDT0xJR0hUcghLTFZRQVhCUQo%5FCMyQARIEOTI1MhilBCCIGCjA1KADMOHYoAM4S0ABWAFqCEVDT0xJR0hUcghLTFZRQVhCUXoJCNWCARIDOTMzCkIKQAjMkAESBDg4NjQYiBggi5IBKNKooQMw7KuhAzhLQABYAWoIRUNPTElHSFRyCEtMVlFBWEJRegkI1YIBEgM5NDISCggCEAEYAioCTEgYASIECAEQASgCKAMoBDAL) Thu, Dec 24 - Thu, Dec 31 · LIS · IAD · Roundtrip ## Alternative airports near Washington Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $992](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:BWI,departure:11/26/2026TANYT&leg2=from:BWI,to:LIS,departure:11/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 40 min [Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $1,565](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:DCA,departure:11/26/2026TANYT&leg2=from:DCA,to:LIS,departure:11/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 8 min [Select flight to Hagerstown Regional HGR. Average driving time to city center is 1 hour 29 minutes.](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:HGR,departure:11/26/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 1 h 29 min · Search flights [Select flight to Martin State MTN. Average driving time to city center is 1 hour 6 minutes.](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:MTN,departure:11/26/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 1 h 6 min · Search flights [Select flight to Manassas Regional MNZ. Average driving time to city center is 45 minutes.](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:MNZ,departure:11/26/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 45 min · Search flights [Select flight to Montgomery County Airpark GAI. Average driving time to city center is 41 minutes.](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:GAI,departure:11/26/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 41 min · Search flights [Select flight to Eastern West Virginia Regional MRB. Average driving time to city center is 1 hour 44 minutes.](https://www.expedia.com/Flights-Search?leg1=from:LIS,to:MRB,departure:11/26/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 1 h 44 min · Search flights ## Book with confidence ### Lisbon (LIS) to Washington (IAD) at a glance Travel between Lisbon (LIS) and Washington (IAD) with a range of airlines offering international long-haul flights. Compare various options, including full-service and budget carriers, to discover itineraries that align with your travel plans, budget, and schedule. As you prepare to explore Washington's iconic landmarks and vibrant neighborhoods, gather essential information on flights from Humberto Delgado Airport (LIS) to Washington Dulles International Airport (IAD) to make your journey seamless. - **Fastest flight duration**: around 8h 15m non-stop - **Route distance**: roughly 3,600 miles (5,790 km) - **Flights per week**: around 11 departures on average - **Typical fares (one-way)**: economy tickets often range from $350–$1055, depending on seasonality and how far ahead you book ### Flights from Humberto Delgado Airport (LIS) to Washington Dulles International Airport (IAD) According to recent traveler bookings, the top airlines flying from Lisbon to Washington are favored for both non-stop and one-stop flights. Common layover spots include Mohammed V Airport (CMN) with approximately a 2h 30m stop, Heathrow Airport (LHR) offering around 2h 45m, and Dublin Airport (DUB) with a similar 2h 30m layover. These options allow you to customize your journey by considering price, total travel time, and cabin class for the ideal itinerary. - **[TAP Portugal](https://www.expedia.com/lp/flight-routes/tap-portugal-from-humberto-delgado-to-washington-dulles-intl/tp/lis/iad)**: This full-service airline provides non-stop flights, holding a significant share of about 60% of departures on this route. One-way ticket prices generally range from $355 to $1905, with a total travel time of 8 hours and 15 minutes. - **[Lufthansa](https://www.expedia.com/lp/flight-routes/lufthansa-from-humberto-delgado-to-washington-dulles-intl/lh/lis/iad)**: Offering both non-stop and one-stop options, this full-service carrier accounts for roughly 12% of flights on this route. One-way fares typically fall between $350 and $1640, with a standard non-stop journey lasting 8 hours and 15 minutes. - **[United](https://www.expedia.com/united-flights.cua.travel-guide-airlines)**: As a comprehensive service airline, United provides non-stop as well as one-stop flights, making up approximately 9% of departures on this route. Expect one-way fares ranging from $350 to $2895, with a typical non-stop travel duration of 8 hours and 15 minutes. - **[Royal Air Maroc](https://www.expedia.com/royal-air-maroc-flights.cat.travel-guide-airlines)**: This full-service airline offers one-stop service, representing about 4% of departures for this route. One-way fares usually range from $520 to $1035, with an in-flight duration of 10 hours and 45 minutes, and a total journey time of around 13 hours and 30 minutes, including a layover. - **[British Airways](https://www.expedia.com/british-airways-flights.cba.travel-guide-airlines)**: A full-service carrier providing one-stop service, British Airways constitutes about 4% of route departures. One-way fares typically range from $350 to $795, with an in-flight time of 10 hours and 45 minutes, and a total travel time of approximately 13 hours and 30 minutes, factoring in a layover. Travelers flying from Lisbon to Washington can opt for an upgraded experience, with both TAP Portugal and United offering business class service for this route. ### Best time to fly from Lisbon (LIS) to Washington (IAD) The most popular months for travelers flying from Lisbon to Washington are **May, June, and July**, when peak temperatures in Washington reach up to 78.4°F in July. If you prefer quieter travel, consider **November**, the least busy time to visit with temperatures around 46.2°F and typically the lowest average one-way fare (around **$594**). Flight availability peaks in **July and October**, with approximately 14 flights per week, making it easier to find convenient departure times. **February and December** have the fewest flights, with approximately 8 flights per week. - **Cheapest time to fly:** November usually offers good deals with average one-way fare around **$594**, roughly 22% cheaper than the yearly average. - **Another budget-friendly time to fly:** June typically offers an average one-way fare of around **$648**. - **Most flight options:** July and October have the highest number of flights from Lisbon to Washington, with approximately **14 flights per week**, giving you more flexibility in scheduling your trip. | **Month** | **Temperature** | **Demand** | **Weekly Flights** | **Average one-way Fare** | | --------- | --------------- | ---------- | ------------------ | ------------------------ | | January | 33.6°F (0.9°C) | Average | 10 | $944 | | February | 36.9°F (2.7°C) | Low | 8 | $827 | | March | 44.4°F (6.9°C) | Average | 10 | $795 | | April | 55.0°F (12.8°C) | Average | 9 | $749 | | May | 64.6°F (18.1°C) | High | 12 | $730 | | June | 73.2°F (22.9°C) | High | 12 | $648 | | July | 78.4°F (25.8°C) | High | 14 | $759 | | August | 76.3°F (24.6°C) | Average | 11 | $797 | | September | 69.6°F (20.9°C) | Average | 11 | $983 | | October | 58.5°F (14.7°C) | Average | 14 | $699 | | November | 46.2°F (7.9°C) | Low | 10 | $594 | | December | 39.2°F (4.0°C) | Low | 8 | $688 | \*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand. ### Alternative route from Lisbon (LIS) to Washington (IAD) - **Lisbon to Washington ([LIS-DCA](https://www.expedia.com/lp/flights/lis/dca/lisbon-to-washington))**: Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD). On this route, one-way economy ticket prices generally vary from $315 to $1025, influenced by the season and when you book. Typically, travelers will find one-stop flights available, with common layover points at Philadelphia International Airport (PHL) and Newark Liberty International Airport (EWR). Major airlines operating this route include British Airways and American Airlines. Additionally, business class service is offered on this route. ### How to find the best prices for flights from Lisbon (LIS) to Washington (IAD) Getting some of the best [deals on flights](https://www.expedia.com/flight-deals) from Lisbon to Washington is all about timing and flexibility. Here are some key tips to help you save: 1. **Best times to book and fly:** cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Morning departures from 5 am to 12 pm often offer lower prices, while afternoon flights from 12 pm to 6 pm are more popular. Additionally, flying on Wednesday typically results in cheaper prices, even though Sunday is the most favored travel day. 2. **Set up price alerts:** stay updated on price changes by using [Expedia's Price Tracker](https://www.expedia.com/why/price-tracking). Receive alerts when fares drop for your selected route. 3. **Bundle and save:** bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.\* 4. **Compare flight options:** use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options. 5. **Stay flexible with dates:** being open to different travel days can sometimes help you find better prices on flights and hotels. 6. **Think about luggage:** nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport. \*Members only. Savings vary and are not available on all bundles. Select hotels. ### Arriving at Washington Dulles International Airport from Humberto Delgado Airport Washington welcomes travelers from Lisbon with a range of transport options based on price, convenience, and proximity. Washington city center is approximately a 40-minute drive (covering about 29 miles) from Washington Dulles International Airport, depending on traffic. Here's how to reach Washington efficiently: - **Hotel transfer:** Transfers offer a convenient way to reach your hotel in Washington, with private rides that can be arranged in advance. - **Car rental:** Renting a car from Washington Dulles International Airport is a great option if you plan to explore and sightsee beyond the city. Browse [cheap car rentals at Washington Dulles International Airport](https://www.expedia.com/car-rentals-in-washington-dulles-intl.d4473161.car-rental-guide) on Expedia. - **Taxi/ride-hailing:** Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival. - **Public transportation:** From Washington Dulles International Airport, the Washington Dulles International Airport Metrorail Station, a metro station, is located about 0.2 miles away on foot, providing easy access to rail services. ### Lisbon to Washington Flights ### The cheapest times to fly from Lisbon to Washington On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Washington are during the month of March. You can find some of the cheapest flights from Lisbon to Washington with Expedia's search tool and vast selection of airlines. ### The best time to book a flight from Lisbon to Washington Sunday is one of the best days to book for cheap flights from Lisbon to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. ### How to find cheap round-trip tickets from Lisbon to Washington Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Washington in 2026\. You can also book with separate airlines for your outbound and return journeys, from $358 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Lisbon to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) cost? You can find cheap one-way flights from $358 and cheap return flights $603 Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights usually range from $566 to $7313, and return flights typically cost between $726 and $6083\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) ticket fares go up or down. *\*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.* ### What is the cheapest month to fly from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? September is the cheapest month to fly from Lisbon to Washington, DC, with average return fares around $643\. This is about 12% lower than the average price throughout the year, as demand typically decreases after the summer travel season. Other economical months to consider are March and April. *\*Averages based on flights available on Expedia in the last year.* ### Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? Choose from 2 airlines operating direct flights from LIS to IAD: - TAP Portugal operates around 10 direct flights from LIS to IAD every week - United operates around 7 direct flights from LIS to IAD every week ### What is the cheapest airline that flies from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? JetBlue Airways is one of the cheapest airlines offering nonstop flights from Humberto Delgado (LIS) to Washington Dulles Intl. (IAD), with round-trip tickets starting from around $1,469\. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? To find a cheap flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best airline to fly with from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? The best airline to fly with from Lisbon (LIS) to Washington, DC (IAD) will differ from traveler to traveler. If you like to fly early, TAP Portugal offers early morning flights. If price is the most important factor, TAP Portugal typically offers the lowest fares. TAP Portugal also offers the most daily flights from LIS to IAD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access. ### What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? The best times to fly from Lisbon (LIS) to Washington, DC (IAD) are typically April and September. In April, you can expect prices around $643 for a return flight, making it a budget-friendly option. September is also popular, offering a great balance of moderate prices and pleasant weather, which enhances your travel experience. This information is based on booking data from the past year. *\*Prices based on flights available on Expedia in the last year.* ### How many flights per day from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? There are approximately 2 nonstop flights per day from Humberto Delgado (LIS) to Washington Dulles Intl. (IAD). For more options, look at flights that include layovers. ### What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? The earliest flight from Humberto Delgado Airport (LIS) to Washington Dulles International Airport (IAD) typically departs at around 5:00 AM, operated by KLM and Air France. This seasonal service is active in May, allowing you to start your day early in Washington, DC. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What are the most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? The most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) are in the late morning, from 9am to noon. About 31% of passengers prefer this time window. Many major carriers, including United and TAP Portugal, operate flights during this period. This timing is popular as it allows you to arrive in Washington, DC with a full day ahead to explore. ### How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? Flying nonstop from LIS to IAD takes around 8 hours 30 minutes, with the route covering approximately 3,583 miles. Flights with a layover typically take 5 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? Business class is available on flights from LIS to IAD. Airlines that offer business class service on this route include: - British Airways - TAP Portugal - United Airlines - Turkish Airlines - Lufthansa - Air Canada - Brussels Airlines - Swiss International Air Lines - Iberia - Delta Air Lines First class is available with Emirates. ### How much is a business class flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? A direct, return business class ticket from Lisbon (LIS) to Washington, DC (IAD) typically costs between $4,108 - $10,337\. A non-stop, one-way business class flight is usually around $2,932 - $3,178\. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) if you opt for a connecting flight. *\*Prices based on flights available on Expedia in the last year.* ### How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia? It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for Washington from Humberto Delgado (LIS)? From Humberto Delgado (LIS), you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA) in Washington. Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Philadelphia Intl. (PHL), Heathrow (LHR) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute? Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package? Securing a Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) [Fairfax County Vacation Packages](https://www.expedia.com/chantilly.d8638.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.)? If you booked your Lisbon (LIS-Humberto Delgado) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Humberto Delgado Airport | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | Destination airport | Washington Dulles Intl. Airport | | Distance | 3,582 miles away | | Airlines serving | British Airways, Lufthansa, Finnair, TAP Portugal, Swiss International Air Lines, Brussels Airlines, Iberia, Aer Lingus, Royal Air Maroc, JetBlue Airways, Air Canada, Air France, KLM, Icelandair, Delta, Turkish Airlines, American Airlines, SAS, Virgin Atlantic, Austrian Airlines, United, ITA Airways | | Popular airline | British Airways | | Roundtrip price | $603 | | Average flight time | 8 hours 35 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from New York (JFK) to Washington (IAD)](https://www.expedia.com/lp/flights/jfk/iad/new-york-to-washington) - [Flights from Kansas City (MCI) to Washington (IAD)](https://www.expedia.com/lp/flights/mci/iad/kansas-city-to-washington) - [Flights from Raleigh (RDU) to Washington (IAD)](https://www.expedia.com/lp/flights/rdu/iad/raleigh-to-washington) - [Flights from Pittsburgh (PIT) to Washington (IAD)](https://www.expedia.com/lp/flights/pit/iad/pittsburgh-to-washington) - [Flights from Islamabad (ISB) to Washington (IAD)](https://www.expedia.com/lp/flights/isb/iad/islamabad-to-washington) - [Flights from Los Angeles (LAX) to Washington (IAD)](https://www.expedia.com/lp/flights/lax/iad/los-angeles-to-washington) - [Flights from San Salvador (SAL) to Washington (IAD)](https://www.expedia.com/lp/flights/sal/iad/san-salvador-to-washington) - [Flights from Washington (DCA) to Washington (IAD)](https://www.expedia.com/lp/flights/dca/iad/washington-to-washington) - [Flights from Seoul (ICN) to Washington (IAD)](https://www.expedia.com/lp/flights/icn/iad/seoul-to-washington) - [Flights from Munich (MUC) to Washington (IAD)](https://www.expedia.com/lp/flights/muc/iad/munich-to-washington) - [Flights from Miami (MIA) to Washington (IAD)](https://www.expedia.com/lp/flights/mia/iad/miami-to-washington) - [Flights from Columbus (CMH) to Washington (IAD)](https://www.expedia.com/lp/flights/cmh/iad/columbus-to-washington) - [Flights from Charleston (CHS) to Washington (IAD)](https://www.expedia.com/lp/flights/chs/iad/charleston-to-washington) - [Flights from Grand Rapids (GRR) to Washington (DCA)](https://www.expedia.com/lp/flights/grr/dca/grand-rapids-to-washington) - [Flights from London (LHR) to Washington (IAD)](https://www.expedia.com/lp/flights/lhr/iad/london-to-washington) - [Flights from San Antonio (SAT) to Washington (IAD)](https://www.expedia.com/lp/flights/sat/iad/san-antonio-to-washington) - [Flights from Detroit (DTW) to Washington (DCA)](https://www.expedia.com/lp/flights/dtw/dca/detroit-to-washington) - [Flights from Charlotte (CLT) to Washington (IAD)](https://www.expedia.com/lp/flights/clt/iad/charlotte-to-washington) - [Flights from Newark Liberty Intl. 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[Flights from Charlotte (CLT) to Washington (DCA)](https://www.expedia.com/lp/flights/clt/dca/charlotte-to-washington) - [Flights from Morgantown (MGW) to Washington (IAD)](https://www.expedia.com/lp/flights/mgw/iad/morgantown-to-washington) - [Flights from Hyderabad (HYD) to Washington (IAD)](https://www.expedia.com/lp/flights/hyd/iad/hyderabad-to-washington) - [Flights from Dallas (DFW) to Washington (IAD)](https://www.expedia.com/lp/flights/dfw/iad/dallas-to-washington) - [Flights from Orlando (MCO) to Washington (IAD)](https://www.expedia.com/lp/flights/mco/iad/orlando-to-washington) - [Flights from Jacksonville (JAX) to Washington (IAD)](https://www.expedia.com/lp/flights/jax/iad/jacksonville-to-washington) - [Flights from San Jose (SJC) to Washington (IAD)](https://www.expedia.com/lp/flights/sjc/iad/san-jose-to-washington) - [Flights from Dubai (DXB) to Washington (IAD)](https://www.expedia.com/lp/flights/dxb/iad/dubai-to-washington) - [Flights from St. Louis (STL) to Washington (DCA)](https://www.expedia.com/lp/flights/stl/dca/st-louis-to-washington) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/lis/iad/lisbon-to-washington id-ID: https://www.expedia.co.id/lp/flights/lis/iad/lisboa-to-washington ar: https://www.expedia.sa/lp/flights/lis/iad/lisbon-to-washington de-DE: https://www.expedia.de/lp/fluge/lis/iad/lissabon-nach-washington nl-NL: https://www.expedia.nl/lp/vluchten/lis/iad/lissabon-naar-washington de-AT: https://www.expedia.at/lp/fluge/lis/iad/lissabon-nach-washington es-ES: https://www.expedia.es/lp/vuelos/lis/iad/lisboa-a-washington es: https://www.expedia.com/es/lp/vuelos/lis/iad/lisboa-a-washington nl-BE: https://www.expedia.be/lp/vluchten/lis/iad/lissabon-naar-washington fr-FR: https://www.expedia.fr/lp/vols/lis/iad/lisbonne-a-washington zh-CN: https://www.expedia.com/cn/lp/flights/lis/iad/lisbon-to-washington it-IT: https://www.expedia.it/lp/voli/lis/iad/lisbona-a-washington en-GB: https://www.expedia.co.uk/lp/flights/lis/iad/lisbon-to-washington en-SG: https://www.expedia.com.sg/lp/flights/lis/iad/lisbon-to-washington en-TW: https://www.expedia.com.tw/en/lp/flights/lis/iad/lisbon-to-washington es-MX: https://www.expedia.mx/lp/vuelos/lis/iad/lisboa-a-washington nb-NO: https://www.expedia.no/lp/fly/lis/iad/lisboa-til-washington en-US: https://www.expedia.com/lp/flights/lis/iad/lisbon-to-washington sv-SE: https://www.expedia.se/lp/flyg/lis/iad/lissabon-till-washington zh-hant-HK: https://www.expedia.com.hk/lp/flights/lis/iad/lisbon-to-washington fr-BE: https://www.expedia.be/fr/lp/vols/lis/iad/lisbonne-a-washington ```