$379 Cheap Flights from Lisbon (LIS) to Washington (DCA)

View $379 flight on Thu, Apr 23, 2026Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Lisbon to Washington (LIS-DCA)

Prices were available within the past 7 days and start at $379 for one-way flights and $645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, Mar 4 - Mon, Mar 9
LIS
Lisbon
DCA
Washington
$645 Roundtrip, found 14 hours ago
$645
Roundtrip
found 14 hours ago
Select Iberia flight, departing Wed, Mar 4 from Lisbon to Washington, returning Mon, Mar 9, priced at $645 found 14 hours ago
British Airways
Thu, Mar 12 - Sun, Mar 22
LIS
Lisbon
DCA
Washington
$646 Roundtrip, found 11 hours ago
$646
Roundtrip
found 11 hours ago
Select British Airways flight, departing Thu, Mar 12 from Lisbon to Washington, returning Sun, Mar 22, priced at $646 found 11 hours ago
British Airways
Thu, Mar 5 - Mon, Mar 9
LIS
Lisbon
DCA
Washington
$647 Roundtrip, found 2 days ago
$647
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Mar 5 from Lisbon to Washington, returning Mon, Mar 9, priced at $647 found 2 days ago
Lufthansa
Sat, May 2 - Sun, May 3
LIS
Lisbon
DCA
Washington
$650 Roundtrip, found 3 days ago
$650
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sat, May 2 from Lisbon to Washington, returning Sun, May 3, priced at $650 found 3 days ago
Swiss International Air Lines
Sat, May 2 - Sun, May 3
LIS
Lisbon
DCA
Washington
$658 Roundtrip, found 3 days ago
$658
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, May 2 from Lisbon to Washington, returning Sun, May 3, priced at $658 found 3 days ago
Iberia
Thu, May 28 - Tue, Jul 7
LIS
Lisbon
DCA
Washington
$660 Roundtrip, found 6 hours ago
$660
Roundtrip
found 6 hours ago
Select Iberia flight, departing Thu, May 28 from Lisbon to Washington, returning Tue, Jul 7, priced at $660 found 6 hours ago
Iberia
Wed, Mar 11 - Tue, Mar 24
LIS
Lisbon
DCA
Washington
$660 Roundtrip, found 1 day ago
$660
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Mar 11 from Lisbon to Washington, returning Tue, Mar 24, priced at $660 found 1 day ago
Air Canada
Fri, Oct 2 - Mon, Oct 12
LIS
Lisbon
DCA
Washington
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Oct 2 from Lisbon to Washington, returning Mon, Oct 12, priced at $663 found 6 days ago
Air Canada
Tue, Sep 1 - Tue, Sep 15
LIS
Lisbon
DCA
Washington
$665 Roundtrip, found 3 days ago
$665
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Sep 1 from Lisbon to Washington, returning Tue, Sep 15, priced at $665 found 3 days ago
British Airways
Wed, Mar 11 - Sun, Mar 15
LIS
Lisbon
DCA
Washington
$665 Roundtrip, found 2 days ago
$665
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 11 from Lisbon to Washington, returning Sun, Mar 15, priced at $665 found 2 days ago

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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 $654
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $654
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $672
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $672

Frequently asked questions

How much does a flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find cheap one-way flights from $379 and cheap return flights from $645 Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) with Expedia. One-way flights usually range from $395 to $2640, and return flights typically cost between $939 and $4320. 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 (DCA-Ronald Reagan Washington National) 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 (DCA-Ronald Reagan Washington National)?
The cheapest month to fly from LIS to DCA is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter LIS to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National)?
KLM is one of the cheapest airlines offering connecting flights from Lisbon (LIS) to Washington, DC (DCA) with round-trip tickets starting from around $879 with a layover in Schiphol (AMS). 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 (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National), 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 and receive alerts when fares go up or down.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Humberto Delgado (LIS) to Ronald Reagan Washington National (DCA) usually departs at around 5:00 AM, operated by KLM and Delta. This service is seasonal, available in October, making it a great option for early travelers. An early departure can help you maximize your time in Washington, DC. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flying from LIS to DCA with a connection usually takes about 12 hours, traveling roughly 3,566 miles. 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 (DCA-Ronald Reagan Washington National)?
You can fly business class between LIS and DCA. Airlines that offer business class service on this route include:

  • Iberia
  • Air Canada
  • British Airways
  • Delta Air Lines
  • TAP Portugal
  • Icelandair
  • Air Europa
  • American Airlines

How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) 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™, 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 Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like Heathrow (LHR), Adolfo Suarez Madrid-Barajas (MAD), Logan Intl. (BOS) 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 (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) 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 (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) Washington Vacation Packages 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 (DCA-Ronald Reagan Washington National)?
If you booked your Lisbon (LIS-Humberto Delgado) to Washington, DC (DCA-Ronald Reagan Washington National) 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 or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, Air Europa, Air France, American Airlines, British Airways, Delta, Iberia, JetBlue Airways, KLM, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$645
Distance
3565 mi

Book with confidence

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 $379 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. 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.

 

Lisbon to Washington Flights

*Flight schedules are subject to change.

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*Available to One Key members.