Cheap flights from Washington, D.C. to Lisbon from $239
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Lisbon departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Washington, D.C. to Lisbon
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PLAY flights from Washington, D.C. to Lisbon
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How to get the cheapest flight ticket from Washington, D.C. to Lisbon
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Lisbon?
In general, February is the cheapest month to fly from Washington, D.C. to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $665. If you are unable to visit Lisbon during the month of February, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $706.
What is the cheapest day to depart on your flight to Lisbon?
Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $758. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Lisbon for around $918.
What is the cheapest time of day to depart on your flight to Lisbon?
The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $775. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $867 on average. Flights to Lisbon from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Washington, D.C. to Lisbon Humberto Delgado flight route?
Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best Washington, D.C. - Lisbon Humberto Delgado flight prices
How far in advance should I book a flight to Lisbon?
You are more likely to see cheaper flights to Lisbon from Washington, D.C. when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $956 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Washington, D.C. for as low as $617 on momondo.
What cabin class options are available on Washington, D.C. to Lisbon Humberto Delgado flights?
There are 3 cabin classes available to choose from on Washington, D.C. to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Washington, D.C. to Lisbon flights?
No. A direct flight is the cheapest option for a flight between Washington, D.C. to Lisbon.
How have Washington, D.C. to Lisbon flight prices changed over time?
As of June 2025, prices for Washington, D.C. to Lisbon flights are approximately 4% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. to Lisbon Humberto Delgado?
Icelandair, TAP AIR PORTUGAL, and PLAY are the most popular carriers operating from Washington, D.C. to Lisbon Humberto Delgado
What airlines fly to Lisbon?
TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Washington, D.C. according to our data. TAP AIR PORTUGAL is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 14 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Lisbon on average per day?
4 flights are operational daily from Washington, D.C. to Lisbon as of June 2025. The most popular departure time for this route is 10:00PM, with 77% of flights per day taking off in the evening.
How many flights depart from Washington, D.C. to Lisbon on average per week?
As of June 2025, there are 31 flights per week flying from Washington, D.C. to Lisbon. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.
When to book flights from Washington, D.C. to Lisbon
Cheap Washington, D.C. to Lisbon (WAS to LIS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Lisbon
How far is Washington, D.C. to Lisbon Humberto Delgado by plane?
There are 3562.1 mi between Washington, D.C. and Lisbon Humberto Delgado. 7h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Lisbon Humberto Delgado Airport?
Prices for flights from Washington, D.C. to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Lisbon Humberto Delgado Airport?
As of June 2025, there are 14 operators available to choose from for flights from Washington, D.C. to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Washington, D.C. to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Lisbon?
Based on momondo bookings for flights between Washington, D.C. and Lisbon, the leading plane model is Boeing 767-400, making up 42.78% of the total bookings. Other popular models include Airbus A321neo with 28.84%, Boeing 767-300 with 11.71%, and Boeing 777 with 5.27%.
What is the most popular airline from Washington, D.C. to Lisbon?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Lisbon is TAP AIR PORTUGAL, representing 67% of all bookings. The subsequent popular airlines are United Airlines at 15%, Royal Air Maroc at 3%, and British Airways at 2%.
Best airlines flying from Washington, D.C. to Lisbon
Compare and see reviews for airlines that fly from Washington, D.C. to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $328 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $508 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $513 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $552 | Free Cancellation | Rating 6.0 472 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.0 2,776 reviews |
United Airlines Flights From Washington, D.C. to Lisbon
United Airlines flight deals from Washington, D.C. to Lisbon start from $695 round-trip. Over the 5 United Airlines flights for this route in a normal week, average airfare is usually $1,252 round-trip - but some users have found much cheaper deals with momondo.
JetBlue Flights From Washington, D.C. to Lisbon
Across 2,925 JetBlue reviews on momondo, the average score is 7.3/10. JetBlue flies from Washington, D.C. to Lisbon about 12 times each week, with ticket deals ranging from $712 to $1,227. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Washington, D.C. to Lisbon?
Finding the right flight to Lisbon from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Lisbon with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Lisbon flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Lisbon?
momondo provides multiple filters to help you find the best flight to Lisbon from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Lisbon right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Washington, D.C. and alert you when they change.