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Cheap flights from Lisbon to Washington, D.C. from $310

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 5/7. 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 Lisbon to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Lisbon to Washington, D.C..
5:55 am - 4:15 pmLIS-IAD
15h 20m1 stop
5:20 pm - 1:45 pmIAD-LIS
15h 25m1 stop
$438SWISS
Find Deal
Tue, Apr 29 - Tue, May 6
6:35 am - 3:00 pmLIS-IAD
13h 25m1 stop
5:40 pm - 11:10 pmIAD-LIS
24h 30m1 stop
$490Finnair
Find Deal
Fri, May 16 - Mon, May 26
7:20 am - 3:50 pmLIS-IAD
13h 30m1 stop
10:45 pm - 4:15 pmIAD-LIS
12h 30m1 stop
$514British Airways
Find Deal
Fri, Apr 25 - Sat, May 17
11:05 am - 7:59 pmLIS-DCA
13h 54m1 stop
8:15 pm - 11:10 pmDCA-LIS
21h 55m2 stops
$544British Airways
Find Deal
Fri, Apr 11 - Sat, Apr 19
5:05 am - 3:50 pmLIS-IAD
15h 45m1 stop
7:00 am - 9:20 amIAD-LIS
21h 20m2 stops
$564United Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 30
5:30 pm - 8:50 pmLIS-IAD
8h 20mnonstop
5:50 pm - 6:10 amIAD-LIS
7h 20mnonstop
$565TAP AIR PORTUGAL
Find Deal
Wed, Sep 10 - Wed, Sep 17
6:15 am - 11:59 pmLIS-IAD
22h 44m2 stops
8:29 am - 9:20 amIAD-LIS
19h 51m2 stops
$569United Airlines
Find Deal
Fri, May 16 - Mon, May 26
5:05 am - 3:50 pmLIS-IAD
15h 45m1 stop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$607Lufthansa
Find Deal
Fri, Apr 11 - Sun, Apr 20
5:05 am - 9:15 pmLIS-IAD
21h 10m2 stops
11:05 pm - 9:50 pmIAD-LIS
17h 45m1 stop
$618Lufthansa
Find Deal
Fri, Apr 11 - Sat, Apr 19
5:30 pm - 8:50 pmLIS-IAD
8h 20mnonstop
10:20 pm - 10:40 amIAD-LIS
7h 20mnonstop
$662TAP AIR PORTUGAL
Find Deal
Thu, May 1 - Wed, May 7

British Airways flights from Lisbon to Washington, D.C.

Our best British Airways deals on Lisbon to Washington, D.C. flight tickets
British Airways
Apr 25
LIS7:20 amLisbon Humberto Delgado
13h 30m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
May 17
IAD10:45 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
LIS4:15 pmLisbon Humberto Delgado
British Airways
Apr 11
LIS11:05 amLisbon Humberto Delgado
13h 54m
1 stop
DCA7:59 pmWashington, D.C. Reagan-National
Apr 19
DCA8:15 pmWashington, D.C. Reagan-National
21h 55m
2 stops
LIS11:10 pmLisbon Humberto Delgado
British Airways
Apr 6
LIS6:50 pmLisbon Humberto Delgado
30h 20m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
Apr 19
IAD10:45 pmWashington, D.C. Dulles Intl
30h 20m
1 stop
LIS10:05 amLisbon Humberto Delgado

Finnair flights from Lisbon to Washington, D.C.

Our best Finnair deals on Lisbon to Washington, D.C. flight tickets
Finnair
May 16
LIS6:35 amLisbon Humberto Delgado
13h 25m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
May 26
IAD5:40 pmWashington, D.C. Dulles Intl
24h 30m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Finnair
May 9
LIS6:35 amLisbon Humberto Delgado
13h 25m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
May 19
IAD10:40 pmWashington, D.C. Dulles Intl
19h 30m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Finnair
May 8
LIS7:20 amLisbon Humberto Delgado
17h 15m
1 stop
BWI7:35 pmBaltimore/Washington
May 11
BWI9:20 pmBaltimore/Washington
20h 40m
1 stop
LIS11:00 pmLisbon Humberto Delgado

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 $547. 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 $558.

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 Friday. momondo users have found tickets for Friday departures for as low as $740. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Lisbon to Washington, D.C. for around $873.

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

In the afternoon is the cheapest time of day to fly from Lisbon to Washington, D.C. when you can find flight prices for as low as $636. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $894. 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.

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

As of March 2025, prices for Lisbon to Washington, D.C. flights are approximately 9% cheaper 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

$310

Fastest flight time

8h 15m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Lisbon in the past 72 hours is $310. The best round-trip flight deal from Lisbon to Washington, D.C. found on momondo in the last 72 hours is $438.
The fastest flight from Lisbon to Washington, D.C. takes 8h 15m
Direct flights go from Lisbon to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • 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 15m 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
LufthansaPriceFrom $536Free CancellationRating
6.7
6,961 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $541Free CancellationRating
7.1
1,831 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
  • United Airlines Flights From Lisbon to Washington, D.C.

    United Airlines is one of the most popular airlines flying from Lisbon to Washington, D.C., operating 6 flights/week on average for this route. A good United Airlines flight deal for Lisbon to Washington, D.C. starts from $543 round-trip, up to an average price of $640. Our users have rated United Airlines at 7.4/10.

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

    The best TAP AIR PORTUGAL deal for Lisbon to Washington, D.C. flight tickets found on momondo in the last 72 hours was $541, round-trip. It should be noted that an average TAP AIR PORTUGAL flight deal for this route in this time was higher, at $732 round-trip. TAP AIR PORTUGAL operates 5 flights out of Lisbon into Washington, D.C. in an average week, so prices vary by time and availability. 1,831 TAP AIR PORTUGAL reviews by users on momondo have scored the airline 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
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Glen Burnie
Linthicum Heights
Rockville
Fairfax
Towson
Reston
Hyattsville
Hanover

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.

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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.