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Cheap flights from Washington, D.C. to Lisbon from $263

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 8/17. 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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Find the cheapest flights from Washington, D.C. to Lisbon

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Lisbon that have been recently found on momondo from popular airlines, departing in the coming months.
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:15 pm - 5:55 pmLIS-BWI
24h 40m1 stop
$423PLAY
Find Deal
Thu, Oct 23 - Fri, Oct 31
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:15 pm - 5:55 pmLIS-BWI
24h 40m1 stop
$445PLAY
Find Deal
Sun, Oct 19 - Mon, Oct 27
TAP AIR PORTUGAL Logo
10:35 pm - 10:55 amIAD-LIS
7h 20mnonstop
TAP AIR PORTUGAL Logo
12:00 pm - 3:20 pmLIS-IAD
8h 20mnonstop
$467TAP AIR PORTUGAL
Find Deal
Sat, Sep 20 - Tue, Oct 7
TAP AIR PORTUGAL Logo
10:20 pm - 10:40 amIAD-LIS
7h 20mnonstop
TAP AIR PORTUGAL Logo
12:00 pm - 3:20 pmLIS-IAD
8h 20mnonstop
$512TAP AIR PORTUGAL
Find Deal
Tue, Oct 14 - Wed, Oct 22
Royal Air Maroc Logo
9:05 pm - 9:05 pmIAD-LIS
19h 00m1 stop
Royal Air Maroc Logo
6:40 pm - 7:05 pmLIS-IAD
29h 25m1 stop
$593Royal Air Maroc
Find Deal
Wed, Oct 1 - Tue, Oct 7
Royal Air Maroc Logo
9:05 pm - 9:05 pmIAD-LIS
19h 00m1 stop
Royal Air Maroc Logo
10:05 pm - 7:05 pmLIS-IAD
26h 00m1 stop
$594Royal Air Maroc
Find Deal
Wed, Sep 24 - Thu, Oct 2
United Airlines Logo
7:00 pm - 8:10 amDCA-LIS
9h 10m1 stop
United Airlines Logo
5:00 am - 6:07 pmLIS-DCA
18h 07m2 stops
$833United Airlines
Find Deal
Sun, Oct 26 - Wed, Nov 5
Delta Logo
1:00 pm - 10:00 amBWI-LIS
16h 00m1 stop
Delta Logo
11:15 am - 9:43 pmLIS-BWI
15h 28m1 stop
$894Delta
Find Deal
Sat, Oct 25 - Tue, Nov 4
Delta Logo
5:25 pm - 10:45 amBWI-LIS
12h 20m1 stop
Delta Logo
12:45 pm - 9:43 pmLIS-BWI
13h 58m1 stop
$994Delta
Find Deal
Mon, Oct 13 - Thu, Oct 23
United Airlines Logo
6:00 am - 9:20 amDCA-LIS
22h 20m1 stop
United Airlines Logo
11:00 am - 10:37 pmLIS-DCA
15h 37m1 stop
$1,036United Airlines
Find Deal
Thu, Oct 23 - Fri, Oct 31

Royal Air Maroc flights from Washington, D.C. to Lisbon

Our best Royal Air Maroc deals on Washington, D.C. to Lisbon flight tickets
Royal Air Maroc
Oct 1
IAD9:05 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
LIS9:05 pmLisbon Humberto Delgado
Oct 7
LIS6:40 pmLisbon Humberto Delgado
29h 25m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl
Royal Air Maroc
Sep 24
IAD9:05 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
LIS9:05 pmLisbon Humberto Delgado
Oct 2
LIS10:05 pmLisbon Humberto Delgado
26h 00m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl
Royal Air Maroc
Sep 19
IAD9:05 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
LIS5:40 pmLisbon Humberto Delgado
Oct 16
LIS10:05 pmLisbon Humberto Delgado
26h 00m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl

PLAY flights from Washington, D.C. to Lisbon

Our best PLAY deals on Washington, D.C. to Lisbon flight tickets
PLAY
Oct 23
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 31
LIS9:15 pmLisbon Humberto Delgado
24h 40m
1 stop
BWI5:55 pmBaltimore/Washington
PLAY
Oct 19
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 27
LIS9:15 pmLisbon Humberto Delgado
24h 40m
1 stop
BWI5:55 pmBaltimore/Washington
PLAY
Aug 28
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Sep 1
LIS9:25 pmLisbon Humberto Delgado
25h 15m
1 stop
BWI5:40 pmBaltimore/Washington

See travel insights to Lisbon from

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 $710.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Tuesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $783. 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 $947.

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 in the evening when prices are $872 on average. Flights to Lisbon from Washington, D.C. in the evening 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 17 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $902 when searching 17 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 $788 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.

How have Washington, D.C. to Lisbon flight prices changed over time?

As of April 2025, prices for Washington, D.C. to Lisbon flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$263

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Washington, D.C. in the past 72 hours is $263. The best round-trip flight deal from Washington, D.C. to Lisbon found on momondo in the last 72 hours is $423.
The fastest flight from Washington, D.C. to Lisbon takes 7h 15m
Direct flights go from Washington, D.C. to Lisbon every day.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

  • 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 20m 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?

  • 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?

  • What is the most popular airline from Washington, D.C. to Lisbon?


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
PLAYPriceFrom $328Free CancellationRating
6.9
101 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $501Free CancellationRating
7.1
1,851 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $512Free CancellationRating
8.0
7,936 reviews
Search Delta flights
American AirlinesPriceFrom $536Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $551Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
Royal Air MarocPriceFrom $552Free CancellationRating
6.0
460 reviews
Search Royal Air Maroc flights
Turkish AirlinesPriceFrom $586Free CancellationRating
7.3
3,788 reviews
Search Turkish Airlines flights
IberiaPriceFrom $592Free CancellationRating
7.0
2,696 reviews
Search Iberia flights
Air FrancePriceFrom $631Free CancellationRating
7.4
1,446 reviews
Search Air France flights
Aer LingusPriceFrom $655Free CancellationRating
7.0
1,076 reviews
Search Aer Lingus flights
  • United Airlines Flights From Washington, D.C. to Lisbon

    United Airlines flight deals from Washington, D.C. to Lisbon start from $674 round-trip. Over the 5 United Airlines flights for this route in a normal week, average airfare is usually $1,227 round-trip - but some users have found much cheaper deals with momondo.

  • JetBlue Flights From Washington, D.C. to Lisbon

    Across 2,922 JetBlue reviews on momondo, the average score is 7.3/10. JetBlue flies from Washington, D.C. to Lisbon about 7 times each week, with ticket deals ranging from $712 to $1,246. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Nazaré
Almada
Ericeira
Setúbal
Oeiras
Evora
Óbidos
Estoril
Tomar
Peniche
Figueira da Foz
Torres Vedras
Batalha
Caldas da Rainha
Sesimbra
Leiria
Comporta
Sines

Why use momondo?

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.


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