Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lisbon to Washington, D.C. from $308

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 5/14. 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

Deals available from 900+ travel sites.

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.

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Lisbon to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
9:15 pm - 5:00 pmLIS-BWI
24h 45m1 stop
7:10 pm - 8:15 pmBWI-LIS
21h 05m1 stop
$420PLAY
Find Deal
Fri, Mar 7 - Sun, Mar 23
9:15 pm - 5:00 pmLIS-BWI
24h 45m1 stop
7:10 pm - 8:15 pmBWI-LIS
21h 05m1 stop
$422PLAY
Find Deal
Fri, Mar 7 - Sun, Mar 23
7:05 am - 3:35 pmLIS-IAD
13h 30m1 stop
10:55 pm - 2:50 pmIAD-LIS
11h 55m1 stop
$496British Airways
Find Deal
Fri, Mar 7 - Sun, Mar 23
10:45 am - 8:45 pmLIS-IAD
14h 00m1 stop
10:40 pm - 4:20 pmIAD-LIS
12h 40m1 stop
$497British Airways
Find Deal
Fri, Mar 14 - Sun, Mar 30
5:00 am - 4:50 pmLIS-IAD
15h 50m1 stop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$542Lufthansa
Find Deal
Fri, Mar 14 - Sun, Mar 30
5:00 am - 4:50 pmLIS-IAD
15h 50m1 stop
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$544Lufthansa
Find Deal
Fri, Mar 14 - Sun, Mar 30
11:25 am - 9:53 pmLIS-DCA
15h 28m1 stop
7:00 am - 11:30 amDCA-LIS
23h 30m2 stops
$547United Airlines
Find Deal
Mon, May 5 - Sat, May 17
5:30 pm - 8:50 pmLIS-IAD
8h 20mnonstop
10:20 pm - 10:40 amIAD-LIS
7h 20mnonstop
$552TAP AIR PORTUGAL
Find Deal
Fri, May 16 - Mon, May 19
11:00 am - 9:46 amLIS-IAD
27h 46m1 stop
11:10 pm - 10:15 amIAD-LIS
7h 05mnonstop
$553United Airlines
Find Deal
Wed, Mar 5 - Mon, Mar 10
12:00 pm - 3:20 pmLIS-IAD
8h 20mnonstop
5:45 pm - 6:05 amIAD-LIS
7h 20mnonstop
$573TAP AIR PORTUGAL
Find Deal
Sat, Jun 7 - Sun, Jun 22

Finnair flights from Lisbon to Washington, D.C.

Our best Finnair deals on Lisbon to Washington, D.C. flight tickets
Finnair
May 8
LIS6:35 amLisbon Humberto Delgado
13h 25m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
May 12
IAD10:40 pmWashington, D.C. Dulles Intl
19h 30m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Finnair
May 1
LIS7:20 amLisbon Humberto Delgado
17h 15m
1 stop
BWI7:35 pmBaltimore/Washington
May 10
BWI9:20 pmBaltimore/Washington
20h 50m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Finnair
May 1
LIS7:20 amLisbon Humberto Delgado
17h 15m
1 stop
BWI7:35 pmBaltimore/Washington
May 10
BWI9:20 pmBaltimore/Washington
20h 50m
1 stop
LIS11:10 pmLisbon Humberto Delgado

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

Our best American Airlines deals on Lisbon to Washington, D.C. flight tickets
American Airlines
May 1
LIS8:25 amLisbon Humberto Delgado
11h 35m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
May 10
IAD10:45 pmWashington, D.C. Dulles Intl
19h 25m
1 stop
LIS11:10 pmLisbon Humberto Delgado
American Airlines
Mar 6
LIS6:30 amLisbon Humberto Delgado
18h 15m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
Mar 29
IAD10:45 pmWashington, D.C. Dulles Intl
19h 25m
1 stop
LIS11:10 pmLisbon Humberto Delgado
American Airlines
Apr 10
LIS7:20 amLisbon Humberto Delgado
17h 15m
1 stop
BWI7:35 pmBaltimore/Washington
Apr 26
BWI9:20 pmBaltimore/Washington
13h 55m
1 stop
LIS4:15 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 November is your next best option. Flight prices from Lisbon to Washington, D.C. during November average around $571.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $744. 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 $981.

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 $734. 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 $892. 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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Lisbon when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $759 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Lisbon for as low as $589 on momondo.

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 February 2025, prices for Lisbon to Washington, D.C. flights are approximately 35% 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

$308

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 $308. The best round-trip flight deal from Lisbon to Washington, D.C. found on momondo in the last 72 hours is $420.
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
6,986 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $541Free CancellationRating
7.1
1,847 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
8,765 reviews
Search United Airlines 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 2 flights/week on average for this route. A good TAP AIR PORTUGAL flight deal for Lisbon to Washington, D.C. starts from $541 round-trip, up to an average price of $743. 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
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Hanover
Reston
Hyattsville

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 2/25
Tue 3/4

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.