Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

TAP Portugal Flights from Washington to Lisbon (IAD → LIS)

TAP Portugal flights from Washington to Lisbon (IAD→LIS)

Prices were available within the past 7 days and starts at $444 for one-way flights and $501 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flight from Washington to Lisbon route information
Origin AirportWashington Dulles Intl.
Destination AirportHumberto Delgado
Airlines ServingAer Lingus, Air Canada, Air France, Alitalia, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular AirlineLufthansa
Distance3582 mi
Average Flight Time12 hours 25 mins

TAP Portugal Flights from Washington to Lisbon

❓ Travel advisory due to Coronavirus (COVID-19) with flights booked

✔️ Many airlines cover travel to highly impacted areas and policies may vary for changes to your booked flight. Dates and destinations change frequently as more is learned about the situation, so it’s important for travelers to check in with the air carriers for the most up to date information. Please visit our Customer Service Portal to learn more about what policies are available for your flight to Lisbon from Washington.

❓ How much is a flight ticket from Sterling (IAD) - Lisbon District (LIS) with TAP Portugal?

✔️ Prices were available within the past 7 days and start at $444 for one-way flights and $501 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.

❓ Which month is the cheapest flight ticket for Sterling (IAD) to Lisbon District (LIS) with TAP Portugal?

✔️ The airfares published on Expedia.com over the past 7 days saw the lowest prices for one-way departures in June and round-trip departures in September.

❓ How can I find cheap TAP Portugal tickets from Sterling IAD to Lisbon District LIS?

✔️ Use the interactive calendar available on Expedia to see the cheapest TAP Portugal (Sterling IAD - Lisbon District LIS) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green. While it’s impossible to guarantee when to find the lowest prices, our data currently suggests that September seems to be the cheapest month to take roundtrips and June seems to have the lowest one-way prices. Plane tickets for flight routes with one or more stops can sometimes be cheaper.

❓ When is the best time to buy flights from Sterling to Lisbon District?

✔️ Three weeks out can be the best time to book flights with various airlines on diverse routes according to ARC & Expedia Group historical data. The data also suggests that if book on a Sunday, you could possibly save up to 20% on fares*.

❓ What is the cheapest day to fly from IAD to LIS?

✔️ ARC & Expedia Group historical data suggests that travelers can save on diverse routes when starting their journey on a Thursday for international flights and on a Friday for domestic flights*. The cheapest day of the week to fly changes based on seasonal demand and route popularity. We recommend using the ‘Show flexible dates’ feature at the top of your search.

❓ Can I change or cancel my TAP Portugal flight from Sterling to Lisbon District?

✔️ Airlines have different policies and fees for changes or cancellations. It’s important to review the ‘rules + restrictions’ section in your itinerary. We recommend filtering for ‘No change fees’ to see flexible plane tickets. Some airlines charge steep fees, while others are more flexible. Basic Economy or Light Fare tickets are generally non-refundable, but most airlines allow free cancellations or changes within 24 hours after booking. Find out more about changing or canceling your flight reservation by navigating to ‘My Trips’ and selecting ‘Change My Flight.’

*Data specialists from both ARC and Expedia Group analyzed ARC’s global flight data to distill actionable information to help people save money on travel. While it’s impossible to guarantee when to find the lowest prices, after examining the variables, we were able to observe trends.Best day of the week to book and travel recommendation is based on average round-trip ticket prices for January through early October, for both 2019 and 2020, sourced from ARC’s global airline sales database.