Cheap flights from Washington, D.C. to Lisbon from $262

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 3/23. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$506Scandinavian Airlines
Mon, Apr 13 - Tue, Apr 21
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$507Scandinavian Airlines
Mon, Apr 13 - Wed, Apr 22
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$520Scandinavian Airlines
Mon, Apr 13 - Sat, Apr 18
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$522Scandinavian Airlines
Mon, Apr 13 - Sat, Apr 18
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
$523Scandinavian Airlines
Mon, Apr 20 - Wed, Apr 29
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
7:15 am - 4:50 pm
LIS
-
IAD
14h 35m
1 stop
$530Scandinavian Airlines
Mon, Apr 13 - Sun, Apr 19
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
Scandinavian Airlines Logo
7:15 am - 4:50 pm
LIS
-
IAD
14h 35m
1 stop
$541Scandinavian Airlines
Mon, Apr 13 - Sun, Apr 19
Royal Air Maroc Logo
9:00 pm - 11:50 am
IAD
-
LIS
9h 50m
1 stop
Royal Air Maroc Logo
6:40 pm - 7:00 pm
LIS
-
IAD
29h 20m
1 stop
$543Royal Air Maroc
Wed, Apr 15 - Sun, Apr 19
Royal Air Maroc Logo
9:00 pm - 11:50 am
IAD
-
LIS
9h 50m
1 stop
Royal Air Maroc Logo
6:40 pm - 7:00 pm
LIS
-
IAD
29h 20m
1 stop
$544Royal Air Maroc
Sun, Apr 12 - Thu, Apr 16
Multiple Airlines Logo
4:15 pm - 9:15 pm
DCA
-
LIS
24h 00m
2 stops
Multiple Airlines Logo
10:00 pm - 9:56 pm
LIS
-
DCA
28h 56m
3 stops
$555Multiple Airlines
Sun, Feb 22 - Mon, Mar 2

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
Apr 15
IAD9:00 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
LIS11:50 amLisbon Humberto Delgado
Apr 19
LIS6:40 pmLisbon Humberto Delgado
29h 20m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$543
Royal Air Maroc
Feb 20
IAD8:45 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
LIS11:35 amLisbon Humberto Delgado
Feb 26
LIS5:55 pmLisbon Humberto Delgado
29h 50m
1 stop
IAD6:45 pmWashington, D.C. Dulles Intl
$544
Royal Air Maroc
Apr 20
IAD9:00 pmWashington, D.C. Dulles Intl
15h 40m
1 stop
LIS5:40 pmLisbon Humberto Delgado
May 4
LIS12:50 pmLisbon Humberto Delgado
11h 10m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$545

Icelandair flights from Washington, D.C. to Lisbon

Our best Icelandair deals on Washington, D.C. to Lisbon flight tickets
Icelandair
Apr 11
BWI8:30 pmBaltimore/Washington
19h 50m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Apr 19
LIS3:00 pmLisbon Humberto Delgado
33h 25m
1 stop
BWI7:25 pmBaltimore/Washington
$715
Icelandair
Apr 22
BWI8:30 pmBaltimore/Washington
12h 20m
1 stop
LIS1:50 pmLisbon Humberto Delgado
Apr 26
LIS3:00 pmLisbon Humberto Delgado
33h 25m
1 stop
BWI7:25 pmBaltimore/Washington
$720
Icelandair
Apr 15
BWI8:30 pmBaltimore/Washington
12h 20m
1 stop
LIS1:50 pmLisbon Humberto Delgado
Apr 19
LIS3:00 pmLisbon Humberto Delgado
33h 25m
1 stop
BWI7:25 pmBaltimore/Washington
$721

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 February 8, 2026.
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

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Tue 4/21

4:25 pm-4:50 pm

1 stop29h 25m

$506

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Wed 4/22

4:25 pm-4:50 pm

1 stop29h 25m

$507

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sat 4/18

4:25 pm-4:50 pm

1 stop29h 25m

$520

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sat 4/18

4:25 pm-4:50 pm

1 stop29h 25m

$522

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/20

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Wed 4/29

4:25 pm-4:50 pm

1 stop29h 25m

$523

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sun 4/19

7:15 am-4:50 pm

1 stop14h 35m

$530

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-3:35 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sun 4/19

7:15 am-4:50 pm

1 stop14h 35m

$541

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 4/15

9:00 pm-11:50 am

1 stop9h 50m

Lisbon Humberto Delgado

Sun 4/19

6:40 pm-7:00 pm

1 stop29h 20m

$543

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 4/12

9:00 pm-11:50 am

1 stop9h 50m

Lisbon Humberto Delgado

Thu 4/16

6:40 pm-7:00 pm

1 stop29h 20m

$544

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 2/22

4:15 pm-9:15 pm

2 stops24h 00m

Lisbon Humberto Delgado

Mon 3/2

10:00 pm-9:56 pm

3 stops28h 56m

$555

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 typical price of a round-trip flight between Washington, D.C. and Lisbon?

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 $666. 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 $728.

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 $695. 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 $855.

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 afternoon when flights can be purchased for as low as $739. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $814 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 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $909 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 $751 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 10% 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 February 2026, prices for Washington, D.C. to Lisbon flights are approximately 5% 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

$383

Fastest flight time

7h 00m

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 $383. The best round-trip flight deal from Washington, D.C. to Lisbon found on momondo in the last 72 hours is $538.
The fastest flight from Washington, D.C. to Lisbon takes 7h 00m
Direct flights go from Washington, D.C. to Lisbon every day.
There is 1 airport in Lisbon. From Washington, D.C. there are direct flights to 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 00m 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 $344Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $429Free CancellationRating
7.1
2,135 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $480Free CancellationRating
6.7
7,721 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $481Free CancellationRating
7.3
1,678 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $508Free CancellationRating
7.2
11,254 reviews
Search American Airlines flights
JetBluePriceFrom $547Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
Royal Air MarocPriceFrom $550Free CancellationRating
6.2
573 reviews
Search Royal Air Maroc flights
Turkish AirlinesPriceFrom $585Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
IberiaPriceFrom $603Free CancellationRating
7.0
3,109 reviews
Search Iberia flights
Aer LingusPriceFrom $737Free CancellationRating
7.2
1,447 reviews
Search Aer Lingus flights
  • JetBlue Flights From Washington, D.C. to Lisbon

    JetBlue flight deals from Washington, D.C. to Lisbon start from $547 round-trip. Over the 5 JetBlue flights for this route in a normal week, average airfare is usually $1,147 round-trip - but some users have found much cheaper deals with momondo.

  • TAP AIR PORTUGAL Flights From Washington, D.C. to Lisbon

    Across 2,135 TAP AIR PORTUGAL reviews on momondo, the average score is 7.1/10. TAP AIR PORTUGAL flies from Washington, D.C. to Lisbon about 2 times each week, with ticket deals ranging from $429 to $961. 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
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Evora
Oeiras
Leiria
Sesimbra
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
Sines
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.

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1 adult
Tue 3/10
Tue 3/17

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