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Cheap flights from Washington, D.C. to Lisbon from $260

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 10/11. 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

PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:20 pm - 5:40 pmLIS-BWI
25h 20m1 stop
$392PLAY
Find Deal
Sun, Oct 12 - Fri, Oct 17
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:20 pm - 5:40 pmLIS-BWI
25h 20m1 stop
$403PLAY
Find Deal
Sun, Oct 12 - Fri, Oct 17
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:25 pm - 5:40 pmLIS-BWI
25h 15m1 stop
$428PLAY
Find Deal
Sun, Oct 12 - Mon, Oct 20
TAP AIR PORTUGAL Logo
6:30 pm - 5:35 amIAD-LIS
7h 05mnonstop
TAP AIR PORTUGAL Logo
11:25 am - 3:15 pmLIS-IAD
8h 50mnonstop
$620TAP AIR PORTUGAL
Find Deal
Thu, Oct 30 - Thu, Nov 6
Turkish Airlines Logo
1:30 pm - 3:30 pmIAD-LIS
21h 00m1 stop
Turkish Airlines Logo
4:05 pm - 12:45 pmLIS-IAD
24h 40m1 stop
$622Turkish Airlines
Find Deal
Thu, Oct 23 - Thu, Oct 30
Turkish Airlines Logo
1:30 pm - 3:05 pmIAD-LIS
20h 35m1 stop
Turkish Airlines Logo
5:55 am - 7:15 pmLIS-IAD
18h 20m1 stop
$624Turkish Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
TAP AIR PORTUGAL Logo
5:30 pm - 5:35 amIAD-LIS
7h 05mnonstop
TAP AIR PORTUGAL Logo
5:15 pm - 9:00 pmLIS-IAD
8h 45mnonstop
$632TAP AIR PORTUGAL
Find Deal
Tue, Nov 11 - Wed, Nov 19
Royal Air Maroc Logo
8:45 pm - 4:55 pmIAD-LIS
15h 10m1 stop
Royal Air Maroc Logo
5:55 pm - 6:45 pmLIS-IAD
29h 50m1 stop
$642Royal Air Maroc
Find Deal
Sun, Nov 9 - Thu, Nov 20
Royal Air Maroc Logo
8:45 pm - 11:35 amIAD-LIS
9h 50m1 stop
Royal Air Maroc Logo
11:35 am - 6:45 pmLIS-IAD
12h 10m1 stop
$655Royal Air Maroc
Find Deal
Sun, Nov 2 - Wed, Nov 5
United Airlines Logo
6:00 am - 9:20 amDCA-LIS
22h 20m1 stop
United Airlines Logo
11:20 am - 4:56 pmLIS-DCA
34h 36m2 stops
$778United Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2

Scandinavian Airlines flights from Washington, D.C. to Lisbon

Our best Scandinavian Airlines deals on Washington, D.C. to Lisbon flight tickets
Scandinavian Airlines
Jan 18
BWI10:30 amBaltimore/Washington
24h 10m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Jan 25
LIS4:55 pmLisbon Humberto Delgado
34h 01m
2 stops
BWI9:56 pmBaltimore/Washington
$505
Find similar
Scandinavian Airlines
Feb 12
BWI2:10 pmBaltimore/Washington
20h 40m
2 stops
LIS3:50 pmLisbon Humberto Delgado
Feb 20
LIS6:55 amLisbon Humberto Delgado
20h 01m
2 stops
BWI9:56 pmBaltimore/Washington
$531
Find similar
Scandinavian Airlines
Nov 17
BWI9:05 amBaltimore/Washington
31h 25m
2 stops
LIS9:30 pmLisbon Humberto Delgado
Nov 23
LIS3:55 pmLisbon Humberto Delgado
37h 33m
2 stops
BWI12:28 amBaltimore/Washington
$535
Find similar

PLAY flights from Washington, D.C. to Lisbon

Our best PLAY deals on Washington, D.C. to Lisbon flight tickets
PLAY
Oct 12
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 17
LIS9:20 pmLisbon Humberto Delgado
25h 20m
1 stop
BWI5:40 pmBaltimore/Washington
$392
Find similar
PLAY
Oct 12
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 17
LIS9:20 pmLisbon Humberto Delgado
25h 20m
1 stop
BWI5:40 pmBaltimore/Washington
$403
Find similar
PLAY
Oct 12
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 20
LIS9:25 pmLisbon Humberto Delgado
25h 15m
1 stop
BWI5:40 pmBaltimore/Washington
$428
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 10/17

9:20 pm-5:40 pm

1 stop25h 20m

$392

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 10/17

9:20 pm-5:40 pm

1 stop25h 20m

$403

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Mon 10/20

9:25 pm-5:40 pm

1 stop25h 15m

$428

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 10/30

6:30 pm-5:35 am

Nonstop7h 05m

Lisbon Humberto Delgado

Thu 11/6

11:25 am-3:15 pm

Nonstop8h 50m

$620

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 10/23

1:30 pm-3:30 pm

1 stop21h 00m

Lisbon Humberto Delgado

Thu 10/30

4:05 pm-12:45 pm

1 stop24h 40m

$622

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 11/13

1:30 pm-3:05 pm

1 stop20h 35m

Lisbon Humberto Delgado

Sun 11/16

5:55 am-7:15 pm

1 stop18h 20m

$624

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 11/11

5:30 pm-5:35 am

Nonstop7h 05m

Lisbon Humberto Delgado

Wed 11/19

5:15 pm-9:00 pm

Nonstop8h 45m

$632

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 11/9

8:45 pm-4:55 pm

1 stop15h 10m

Lisbon Humberto Delgado

Thu 11/20

5:55 pm-6:45 pm

1 stop29h 50m

$642

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 11/2

8:45 pm-11:35 am

1 stop9h 50m

Lisbon Humberto Delgado

Wed 11/5

11:35 am-6:45 pm

1 stop12h 10m

$655

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 11/25

6:00 am-9:20 am

1 stop22h 20m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-4:56 pm

2 stops34h 36m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $664. 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 Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $736. 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 $896.

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 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $904 when searching 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 $745 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?

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. to Lisbon flight.

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

As of September 2025, prices for Washington, D.C. to Lisbon flights are approximately 3% 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

$293

Fastest flight time

7h 05m

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 $293. The best round-trip flight deal from Washington, D.C. to Lisbon found on momondo in the last 72 hours is $620.
The fastest flight from Washington, D.C. to Lisbon takes 7h 05m
Direct flights go from Washington, D.C. to Lisbon every day.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)
Search flight deals

  • 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?

  • 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 $338Free CancellationRating
7.0
103 reviews
Search PLAY flights
British AirwaysPriceFrom $480Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $507Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $508Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Royal Air MarocPriceFrom $552Free CancellationRating
6.2
511 reviews
Search Royal Air Maroc flights
DeltaPriceFrom $563Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Turkish AirlinesPriceFrom $586Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
IberiaPriceFrom $592Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
LufthansaPriceFrom $665Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Aer LingusPriceFrom $666Free CancellationRating
7.2
1,270 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 $738 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $1,155 round-trip - but some users have found much cheaper deals with momondo.

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

    Across 2,912 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Washington, D.C. to Lisbon about 12 times each week, with ticket deals ranging from $707 to $1,148. 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
Ericeira
Nazaré
Oeiras
Setúbal
Peniche
Almada
Leiria
Tomar
Estoril
Sesimbra
Evora
Figueira da Foz
Zambujeira do Mar
Torres Vedras
Batalha
Óbidos
Comporta
Costa da Caparica

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.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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