What is the cheapest airline that flies from Lisbon Humberto Delgado to Washington, D.C.?

American Airlines, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Lisbon Humberto Delgado to Washington, D.C.

Which layover airport has the shortest connection time from Lisbon to Washington, D.C.?

New York (JFK) has the shortest average layover time for this route: 1h 22m.

What airlines fly to Washington, D.C.?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Washington, D.C. from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

How many flights depart from Lisbon to Washington, D.C. on average per day?

The number of flights available between Lisbon and Washington, D.C. is 4 per day as of December 2025. The most frequent departure time is 11:00AM, with 93% of daily flights leaving at noon.

Which airline has the best punctuality record on Lisbon to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Lisbon and Washington, D.C.?

London (LHR) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Lisbon to Washington, D.C.?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 11h 05m.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which layover airport offers the lowest fares from Lisbon to Washington, D.C.?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $523.

How many flights depart from Lisbon to Washington, D.C. on average per week?

As of December 2025, 29 flights take off from Lisbon and land in Washington, D.C. each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How often are flights from Lisbon to Washington, D.C. delayed?

Historically, on average around 30% of flights between Lisbon and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

What is the most punctual flight time for Lisbon to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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.?

There are 3 operators available for flights from Lisbon Humberto Delgado Airport to Washington, D.C. as of December 2025.

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.

$337 Cheap Flights from Lisbon to Washington, D.C. in 2025/26

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10:40 am - 6:45 pm

LIS

BWI

13h 05m1 stop

9:30 pm - 5:55 pm

BWI

LIS

15h 25m1 stop

$431British Airways

Thu, Jan 15 - Mon, Mar 30

10:40 am - 7:55 pm

LIS

IAD

14h 15m1 stop

7:15 pm - 12:45 pm

IAD

LIS

12h 30m1 stop

$432British Airways

Thu, Jan 15 - Mon, Mar 30

10:40 am - 6:45 pm

LIS

BWI

13h 05m1 stop

9:30 pm - 3:40 pm

BWI

LIS

13h 10m1 stop

$432British Airways

Wed, Jan 14 - Mon, Mar 30

7:05 am - 6:45 pm

LIS

BWI

16h 40m1 stop

9:30 pm - 2:05 pm

BWI

LIS

11h 35m1 stop

$433British Airways

Tue, Jan 13 - Wed, Apr 1

8:20 am - 4:30 pm

LIS

IAD

13h 10m1 stop

6:20 pm - 9:50 pm

IAD

LIS

22h 30m1 stop

$511Multiple Airlines

Thu, Jan 15 - Wed, Jan 21

7:45 am - 4:30 pm

LIS

IAD

13h 45m1 stop

6:20 pm - 12:10 pm

IAD

LIS

12h 50m1 stop

$512American Airlines

Sun, Jan 25 - Sat, Jan 31

8:20 am - 4:30 pm

LIS

IAD

13h 10m1 stop

6:20 pm - 12:10 pm

IAD

LIS

12h 50m1 stop

$513Multiple Airlines

Thu, Jan 15 - Wed, Jan 21

6:30 am - 4:30 pm

LIS

IAD

15h 00m1 stop

7:01 am - 12:10 pm

IAD

LIS

24h 09m2 stops

$514American Airlines

Thu, Jan 15 - Wed, Jan 21

11:25 am - 10:48 pm

LIS

DCA

16h 23m2 stops

5:00 pm - 3:10 pm

DCA

LIS

17h 10m2 stops

$529Delta

Thu, Jan 15 - Wed, Jan 21

11:25 am - 10:48 pm

LIS

DCA

16h 23m2 stops

5:00 pm - 3:10 pm

DCA

LIS

17h 10m2 stops

$530Delta

Thu, Jan 15 - Wed, Jan 21

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

Our best American Airlines deals on Lisbon to Washington, D.C. flight tickets

American Airlines

Jan 25

LIS7:45 amLisbon Humberto Delgado

13h 45m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

Jan 31

IAD6:20 pmWashington, D.C. Dulles Intl

12h 50m

1 stop

LIS12:10 pmLisbon Humberto Delgado

$512

Find similar

American Airlines

Jan 15

LIS6:30 amLisbon Humberto Delgado

15h 00m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

Jan 21

IAD7:01 amWashington, D.C. Dulles Intl

24h 09m

2 stops

LIS12:10 pmLisbon Humberto Delgado

$514

Find similar

American Airlines

Feb 12

LIS8:20 amLisbon Humberto Delgado

16h 35m

2 stops

IAD7:55 pmWashington, D.C. Dulles Intl

Feb 18

IAD6:20 pmWashington, D.C. Dulles Intl

15h 30m

1 stop

LIS2:50 pmLisbon Humberto Delgado

$516

Find similar

Delta flights from Lisbon to Washington, D.C.

Our best Delta deals on Lisbon to Washington, D.C. flight tickets

Delta

Jan 15

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Jan 21

IAD6:50 pmWashington, D.C. Dulles Intl

15h 20m

1 stop

LIS3:10 pmLisbon Humberto Delgado

$523

Find similar

Delta

Mar 9

LIS5:00 amLisbon Humberto Delgado

16h 05m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

Mar 23

IAD3:35 pmWashington, D.C. Dulles Intl

15h 45m

2 stops

LIS11:20 amLisbon Humberto Delgado

$527

Find similar

Delta

Jan 16

LIS5:30 amLisbon Humberto Delgado

16h 05m

1 stop

IAD4:35 pmWashington, D.C. Dulles Intl

Jan 23

IAD12:23 pmWashington, D.C. Dulles Intl

17h 57m

2 stops

LIS11:20 amLisbon Humberto Delgado

$528

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 1/15

10:40 am-6:45 pm

1 stop13h 05m

Baltimore/Washington

Mon 3/30

9:30 pm-5:55 pm

1 stop15h 25m

$431

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

10:40 am-7:55 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 3/30

7:15 pm-12:45 pm

1 stop12h 30m

$432

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 1/14

10:40 am-6:45 pm

1 stop13h 05m

Baltimore/Washington

Mon 3/30

9:30 pm-3:40 pm

1 stop13h 10m

$432

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 1/13

7:05 am-6:45 pm

1 stop16h 40m

Baltimore/Washington

Wed 4/1

9:30 pm-2:05 pm

1 stop11h 35m

$433

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

8:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Wed 1/21

6:20 pm-9:50 pm

1 stop22h 30m

$511

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 1/25

7:45 am-4:30 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Sat 1/31

6:20 pm-12:10 pm

1 stop12h 50m

$512

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

8:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Wed 1/21

6:20 pm-12:10 pm

1 stop12h 50m

$513

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

6:30 am-4:30 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 1/21

7:01 am-12:10 pm

2 stops24h 09m

$514

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 1/15

11:25 am-10:48 pm

2 stops16h 23m

Washington, D.C. Reagan-National

Wed 1/21

5:00 pm-3:10 pm

2 stops17h 10m

$529

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 1/15

11:25 am-10:48 pm

2 stops16h 23m

Washington, D.C. Reagan-National

Wed 1/21

5:00 pm-3:10 pm

2 stops17h 10m

$530

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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

Prices

Airlines

Delays

Layovers

Other information

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 $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 Sunday. momondo users have found tickets for Sunday departures for as low as $681. 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 $804. 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 December 2025, prices for Lisbon to Washington, D.C. flights are approximately 11% 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	$602
Fastest flight time	8h 05m
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 $602. 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 05m

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 05m 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.?
There are 3 operators available for flights from Lisbon Humberto Delgado Airport to Washington, D.C. as of December 2025.
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.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Lisbon to Washington, D.C. is Boeing 767-400 (33.80% of total bookings). The next most popular plane models are Airbus A321neo (22.47%), Boeing 767-300 (winglets) (12.89%), and Airbus A330-900neo (6.10%).
What is the most popular airline from Lisbon to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Lisbon to Washington, D.C. is TAP AIR PORTUGAL (51% of total bookings). The next most popular airlines are United Airlines (22%), British Airways (17%), and Lufthansa (10%).

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
British Airways	PriceFrom $493	Free Cancellation	Rating 6.7 7,602 reviews	Search British Airways flights
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 9,101 reviews	Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $561	Free Cancellation	Rating 7.2 2,093 reviews	Search TAP AIR PORTUGAL 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 7 flights/week on average for this route. A good United Airlines flight deal for Lisbon to Washington, D.C. starts from $497 round-trip, up to an average price of $726. 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 $561, round-trip. It should be noted that an average TAP AIR PORTUGAL flight deal for this route in this time was higher, at $722 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. 2,093 TAP AIR PORTUGAL reviews by users on momondo have scored the airline at 7.2/10.

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

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.

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Cheap flights from Lisbon to Washington, D.C. from $376

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 4/17. 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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American Airlines flights from Lisbon to Washington, D.C.

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

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.?

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

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

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 December 2025, prices for Lisbon to Washington, D.C. flights are approximately 11% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Lisbon Humberto Delgado to Washington, D.C.?

American Airlines, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Lisbon Humberto Delgado to Washington, D.C.

What airlines fly to Washington, D.C.?

How often are flights from Lisbon to Washington, D.C. delayed?

Historically, on average around 30% of flights between Lisbon and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

What is the most punctual flight time for Lisbon to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Lisbon to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Lisbon and Washington, D.C.?

London (LHR) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Lisbon to Washington, D.C.?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $523.

Which layover airport has the shortest travel time from Lisbon to Washington, D.C.?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 11h 05m.

Which layover airport has the shortest connection time from Lisbon to Washington, D.C.?

New York (JFK) has the shortest average layover time for this route: 1h 22m.

How many flights depart from Lisbon to Washington, D.C. on average per day?

The number of flights available between Lisbon and Washington, D.C. is 4 per day as of December 2025. The most frequent departure time is 11:00AM, with 93% of daily flights leaving at noon.

How many flights depart from Lisbon to Washington, D.C. on average per week?

As of December 2025, 29 flights take off from Lisbon and land in Washington, D.C. each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in Washington, D.C.

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

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

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.?

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

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

United Airlines Flights From Lisbon to Washington, D.C.

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

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

Why use momondo?

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

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