Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lisbon to Washington, D.C. from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Washington, D.C. departing on 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:25 pm - 4:50 pm
LIS
-
IAD
29h 25m
1 stop
Scandinavian Airlines Logo
8:20 pm - 3:35 pm
IAD
-
LIS
14h 15m
1 stop
$484Scandinavian Airlines
Tue, Apr 21 - Sun, Apr 26
Royal Air Maroc Logo
6:40 pm - 7:00 pm
LIS
-
IAD
29h 20m
1 stop
Royal Air Maroc Logo
9:00 pm - 11:50 am
IAD
-
LIS
9h 50m
1 stop
$508Royal Air Maroc
Tue, Apr 7 - Sun, Apr 26
Royal Air Maroc Logo
6:40 pm - 7:00 pm
LIS
-
IAD
29h 20m
1 stop
Royal Air Maroc Logo
9:00 pm - 5:40 pm
IAD
-
LIS
15h 40m
1 stop
$509Royal Air Maroc
Tue, Apr 7 - Sun, Apr 26
American Airlines Logo
6:35 am - 5:04 pm
LIS
-
BWI
15h 29m
2 stops
American Airlines Logo
9:35 pm - 5:45 pm
BWI
-
LIS
15h 10m
1 stop
$518American Airlines
Wed, Apr 15 - Sun, Apr 19
American Airlines Logo
6:35 am - 5:04 pm
LIS
-
BWI
15h 29m
2 stops
American Airlines Logo
9:35 pm - 11:05 pm
BWI
-
LIS
20h 30m
1 stop
$519American Airlines
Wed, Apr 15 - Sun, Apr 19
British Airways Logo
11:05 am - 8:46 pm
LIS
-
DCA
14h 41m
1 stop
British Airways Logo
5:00 pm - 2:50 pm
DCA
-
LIS
16h 50m
2 stops
$521British Airways
Fri, Feb 20 - Sun, Mar 1
Delta Logo
5:00 am - 4:05 pm
LIS
-
IAD
16h 05m
1 stop
Delta Logo
6:50 pm - 3:10 pm
IAD
-
LIS
15h 20m
1 stop
$522Delta
Mon, Feb 9 - Mon, Feb 16
Delta Logo
5:00 am - 4:05 pm
LIS
-
IAD
16h 05m
1 stop
Delta Logo
12:23 pm - 11:20 am
IAD
-
LIS
17h 57m
2 stops
$523Delta
Sun, Jan 25 - Sat, Jan 31
Multiple Airlines Logo
8:45 pm - 3:30 pm
LIS
-
IAD
23h 45m
1 stop
Multiple Airlines Logo
10:25 pm - 11:10 pm
IAD
-
LIS
19h 45m
1 stop
$524Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
British Airways Logo
11:00 am - 7:40 pm
LIS
-
BWI
13h 40m
1 stop
British Airways Logo
9:35 pm - 5:45 pm
BWI
-
LIS
15h 10m
1 stop
$529British Airways
Tue, Apr 21 - Sun, Apr 26

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

Our best Virgin Atlantic deals on Lisbon to Washington, D.C. flight tickets
Virgin Atlantic
Feb 20
LIS10:55 amLisbon Humberto Delgado
18h 26m
2 stops
IAD12:21 amWashington, D.C. Dulles Intl
Mar 1
IAD6:00 amWashington, D.C. Dulles Intl
21h 55m
2 stops
LIS8:55 amLisbon Humberto Delgado
$546
Virgin Atlantic
Jan 22
LIS10:00 amLisbon Humberto Delgado
17h 48m
1 stop
DCA10:48 pmWashington, D.C. Reagan-National
Jan 28
DCA6:00 amWashington, D.C. Reagan-National
21h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
$547
Virgin Atlantic
Apr 21
LIS12:45 pmLisbon Humberto Delgado
15h 55m
1 stop
DCA11:40 pmWashington, D.C. Reagan-National
Apr 26
DCA5:00 pmWashington, D.C. Reagan-National
12h 45m
1 stop
LIS10:45 amLisbon Humberto Delgado
$589

Delta flights from Lisbon to Washington, D.C.

Our best Delta deals on Lisbon to Washington, D.C. flight tickets
Delta
Feb 9
LIS5:00 amLisbon Humberto Delgado
16h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Feb 16
IAD6:50 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
LIS3:10 pmLisbon Humberto Delgado
$522
Delta
Jan 22
LIS5:00 amLisbon Humberto Delgado
16h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 28
IAD12:23 pmWashington, D.C. Dulles Intl
17h 57m
2 stops
LIS11:20 amLisbon Humberto Delgado
$523
Delta
Feb 20
LIS5:00 amLisbon Humberto Delgado
19h 09m
2 stops
IAD7:09 pmWashington, D.C. Dulles Intl
Mar 1
IAD6:50 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
LIS3:10 pmLisbon Humberto Delgado
$528

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Washington, D.C. 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 January 15, 2026.
Use the filters below to find and compare flights from Lisbon to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/21

4:25 pm-4:50 pm

1 stop29h 25m

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-3:35 pm

1 stop14h 15m

$484

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/7

6:40 pm-7:00 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Sun 4/26

9:00 pm-11:50 am

1 stop9h 50m

$508

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/7

6:40 pm-7:00 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Sun 4/26

9:00 pm-5:40 pm

1 stop15h 40m

$509

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 4/15

6:35 am-5:04 pm

2 stops15h 29m

Baltimore/Washington

Sun 4/19

9:35 pm-5:45 pm

1 stop15h 10m

$518

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 4/15

6:35 am-5:04 pm

2 stops15h 29m

Baltimore/Washington

Sun 4/19

9:35 pm-11:05 pm

1 stop20h 30m

$519

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 2/20

11:05 am-8:46 pm

1 stop14h 41m

Washington, D.C. Reagan-National

Sun 3/1

5:00 pm-2:50 pm

2 stops16h 50m

$521

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 2/9

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 2/16

6:50 pm-3:10 pm

1 stop15h 20m

$522

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 1/25

5:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 1/31

12:23 pm-11:20 am

2 stops17h 57m

$523

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 6/8

8:45 pm-3:30 pm

1 stop23h 45m

Washington, D.C. Dulles Intl

Mon 6/15

10:25 pm-11:10 pm

1 stop19h 45m

$524

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 4/21

11:00 am-7:40 pm

1 stop13h 40m

Baltimore/Washington

Sun 4/26

9:35 pm-5:45 pm

1 stop15h 10m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lisbon to Washington, D.C.

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 Lisbon and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Lisbon, with most prices found around $524. If you’re not able to fly to Washington, D.C. in September, then February is your next best option. Flight prices from Lisbon to Washington, D.C. during February average around $579.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Lisbon is on a Sunday. momondo users have found tickets for Sunday departures for as low as $658. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Lisbon to Washington, D.C. for around $895.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Lisbon to Washington, D.C. when you can find flight prices for as low as $484. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $800. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lisbon Humberto Delgado to Washington, D.C. flight route?

Fly from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl for the best Lisbon Humberto Delgado - Washington, D.C. flight prices

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

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Washington, D.C. 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 Lisbon to Washington, D.C. flights?

You could potentially save up to 20% on your flight if you consider stops on a Lisbon to Washington, D.C. flight.

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

As of January 2026, prices for Lisbon to Washington, D.C. flights are approximately 16% more expensive when compared to flights at the same time last year.

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

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

Cheap Lisbon to Washington, D.C. (LIS to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Washington, D.C.

Best Price Found

$720

Fastest flight time

8h 20m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Lisbon in the past 72 hours is $720. The best round-trip flight deal from Lisbon to Washington, D.C. found on momondo in the last 72 hours is $599.
The fastest flight from Lisbon to Washington, D.C. takes 8h 20m
Direct flights go from Lisbon to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Lisbon there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

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

    There are 3562.1 mi between Lisbon Humberto Delgado and Washington, D.C.. Typically, this will take 8h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?

    Prices for flights from Lisbon Humberto Delgado Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington, D.C.?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Lisbon to Washington, D.C.

Compare and see reviews for airlines that fly from Lisbon to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
British AirwaysPriceFrom $500Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $561Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights

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

    TAP AIR PORTUGAL is one of the most popular airlines flying from Lisbon to Washington, D.C., operating 5 flights/week on average for this route. A good TAP AIR PORTUGAL flight deal for Lisbon to Washington, D.C. starts from $561 round-trip, up to an average price of $720. Our users have rated TAP AIR PORTUGAL at 7.1/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Glen Burnie
Linthicum Heights
Reston

Why use momondo?

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

Finding the right flight to Washington, D.C. from Lisbon 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 Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Lisbon to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Washington, D.C..

I’m not ready to book a flight from Lisbon to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Lisbon and alert you when they change.

An easier way to manage your Washington, D.C. 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/14
Sat 2/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport