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Cheap flights from Washington, D.C. to Lisbon from R8 108

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
17:25 - 5:35IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
7h 10mdirect
TAP AIR PORTUGAL Logo
10:50 - 14:40LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
8h 50mdirect
R12 491TAP AIR PORTUGAL
Thu, Jan 14 - Tue, Jan 19
United Airlines Logo
22:15 - 10:05IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
6h 50mdirect
United Airlines Logo
5:00 - 20:05LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
20h 05m1 stop Frankfurt am Main
R12 887United Airlines
Sun, Dec 6 - Wed, Dec 16
Multiple Airlines Logo
22:30 - 10:20IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
6h 50mdirect
Multiple Airlines Logo
11:50 - 17:00LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
34h 10m1 stop Zurich
R12 903Multiple Airlines
Wed, Dec 30 - Mon, Jan 18
United Airlines Logo
17:46 - 10:40IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
11h 54m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
5:00 - 14:35LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Frankfurt am Main
R12 936United Airlines
Mon, Dec 7 - Wed, Dec 16
United Airlines Logo
17:46 - 8:10IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
9h 24m1 stop Newark
United Airlines Logo
5:00 - 15:55LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Frankfurt am Main
R12 953United Airlines
Sun, Dec 13 - Tue, Dec 22
United Airlines Logo
22:15 - 10:05IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
6h 50mdirect
United Airlines Logo
5:00 - 14:35LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Frankfurt am Main
R12 969United Airlines
Sun, Jan 3 - Thu, Jan 14
Delta Logo
12:35 - 8:00IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
14h 25m1 stop New York John F Kennedy Intl
Delta Logo
5:00 - 15:55LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Amsterdam Schiphol
R12 986Delta
Sun, Dec 13 - Fri, Dec 25
United Airlines Logo
22:15 - 10:05IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
6h 50mdirect
United Airlines Logo
6:05 - 15:35LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
14h 30m1 stop Munich Franz Josef Strauss
R13 002United Airlines
Sun, Jan 3 - Thu, Jan 28
United Airlines Logo
22:10 - 9:20IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
30h 10m1 stop Toronto Pearson Intl
United Airlines Logo
5:00 - 15:55LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Frankfurt am Main
R13 019United Airlines
Sat, Dec 5 - Thu, Dec 17
United Airlines Logo
17:47 - 8:10IAD  Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado
9h 23m1 stop Newark
United Airlines Logo
5:00 - 14:35LIS  Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Frankfurt am Main
R13 035United Airlines
Tue, Jan 12 - Tue, Jan 19

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

Our best Turkish Airlines deals on Washington, D.C. to Lisbon flight tickets
Turkish Airlines
Nov 10
IAD13:30Washington, D.C. Dulles Intl
16h 05m
1 stop
LIS10:35Lisbon Humberto Delgado
Nov 18
LIS5:55Lisbon Humberto Delgado
34h 50m
1 stop
IAD11:45Washington, D.C. Dulles Intl
R12 887
Turkish Airlines
Mar 18
IAD14:30Washington, D.C. Dulles Intl
20h 40m
1 stop
LIS15:10Lisbon Humberto Delgado
Mar 25
LIS11:35Lisbon Humberto Delgado
29h 10m
1 stop
IAD12:45Washington, D.C. Dulles Intl
R13 381
Turkish Airlines
Nov 14
IAD21:20Washington, D.C. Dulles Intl
36h 50m
1 stop
LIS15:10Lisbon Humberto Delgado
Nov 19
LIS6:00Lisbon Humberto Delgado
18h 25m
1 stop
IAD19:25Washington, D.C. Dulles Intl
R13 546

Virgin Atlantic flights from Washington, D.C. to Lisbon

Our best Virgin Atlantic deals on Washington, D.C. to Lisbon flight tickets
Virgin Atlantic
Jan 12
IAD6:00Washington, D.C. Dulles Intl
21h 00m
2 stops
LIS8:00Lisbon Humberto Delgado
Jan 20
LIS10:00Lisbon Humberto Delgado
19h 46m
2 stops
IAD0:46Washington, D.C. Dulles Intl
R13 497
Virgin Atlantic
Nov 12
IAD12:32Washington, D.C. Dulles Intl
15h 23m
2 stops
LIS8:55Lisbon Humberto Delgado
Nov 17
LIS11:15Lisbon Humberto Delgado
17h 06m
2 stops
IAD23:21Washington, D.C. Dulles Intl
R15 062

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Lisbon that are best for you.

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Route

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Price

Cheapest return flight
Fastest return journey

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Thu 14/1

17:25-5:35

Nonstop7h 10m

Lisbon Humberto Delgado

Tue 19/1

10:50-14:40

Nonstop8h 50m

R12 491

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 6/12

22:15-10:05

Nonstop6h 50m

Lisbon Humberto Delgado

Wed 16/12

5:00-20:05

1 stop20h 05m

R12 887

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Wed 30/12

22:30-10:20

Nonstop6h 50m

Lisbon Humberto Delgado

Mon 18/1

11:50-17:00

1 stop34h 10m

R12 903

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Mon 7/12

17:46-10:40

1 stop11h 54m

Lisbon Humberto Delgado

Wed 16/12

5:00-14:35

1 stop14h 35m

R12 936

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 13/12

17:46-8:10

1 stop9h 24m

Lisbon Humberto Delgado

Tue 22/12

5:00-15:55

1 stop15h 55m

R12 953

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 3/1

22:15-10:05

Nonstop6h 50m

Lisbon Humberto Delgado

Thu 14/1

5:00-14:35

1 stop14h 35m

R12 969

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 13/12

12:35-8:00

1 stop14h 25m

Lisbon Humberto Delgado

Fri 25/12

5:00-15:55

1 stop15h 55m

R12 986

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sun 3/1

22:15-10:05

Nonstop6h 50m

Lisbon Humberto Delgado

Thu 28/1

6:05-15:35

1 stop14h 30m

R13 002

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Sat 5/12

22:10-9:20

1 stop30h 10m

Lisbon Humberto Delgado

Thu 17/12

5:00-15:55

1 stop15h 55m

R13 019

Washington, D.C.Lisbon

IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado

IADLIS

Washington, D.C. Dulles Intl

Tue 12/1

17:47-8:10

1 stop9h 23m

Lisbon Humberto Delgado

Tue 19/1

5:00-14:35

1 stop14h 35m

R13 035

Flights are sorted by cheapest return flights 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?

Prices are currently typical for flights on this route.

Typical prices usually range from R12 145 to R19 050.
The lowest price recently found on this route was R12 491.

What is the cheapest month to fly to Lisbon?

In general, January 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 R11 272. If you’re not able to fly to Lisbon in January, then February is your next best option. Flight prices from Washington, D.C. to Lisbon during February average around R12 310.

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 from Washington, D.C. 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 R16 764 when searching weeks before you fly. 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 R14 584 on momondo.

What cabin class options are available on Washington, D.C. to Lisbon flights?

There is only 1 cabin class available to choose from on Washington, D.C. to Lisbon 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 November 2026, prices for Washington, D.C. to Lisbon flights are approximately 41% 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 return 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

R8 108

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 R8 108. The best return flight deal from Washington, D.C. to Lisbon found on momondo in the last 72 hours is R12 491.
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).
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Frequently asked questions about flying from Washington, D.C. to Lisbon

  • How far is Washington, D.C. to Lisbon Humberto Delgado by plane?

    The distance between Washington, D.C. and Lisbon Humberto Delgado is about 5732,6 km.

  • 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 old do you have to be to fly from Washington, D.C. to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Estoril
Nazaré
Almada
Leiria
Sintra
Peniche
Setúbal

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Washington, D.C..

Can I find flights from Washington, D.C. to Lisbon with flexible booking policies on momondo?

Flights from Washington, D.C. to Lisbon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Washington, D.C..

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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