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.

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.

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.

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

London (LHR) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

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

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

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.

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 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.

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.

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

As of December 2025, 31 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 16% of weekly flights taking off on this day.

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

Flights via New York (JFK) offer the lowest average round-trip price of $544.

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.

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

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 4:30 pm

LIS

IAD

13h 10m1 stop

6:20 pm - 2:45 pm

IAD

LIS

15h 25m1 stop

$513American Airlines

Tue, Feb 10 - Tue, Feb 17

12:35 pm - 6:45 pm

LIS

IAD

11h 10m1 stop

8:45 pm - 4:55 pm

IAD

LIS

15h 10m1 stop

$514Royal Air Maroc

Wed, Feb 11 - Wed, Feb 18

6:30 am - 4:30 pm

LIS

IAD

15h 00m1 stop

11:34 am - 12:05 pm

IAD

LIS

43h 31m2 stops

$515American Airlines

Thu, Jan 22 - Mon, Jan 26

8:20 am - 11:12 pm

LIS

IAD

19h 52m2 stops

5:46 pm - 2:50 pm

IAD

LIS

16h 04m2 stops

$520Multiple Airlines

Thu, Jan 15 - Wed, Jan 21

10:55 am - 9:30 pm

LIS

DCA

15h 35m1 stop

6:10 am - 9:55 am

DCA

LIS

22h 45m2 stops

$522British Airways

Thu, Jan 15 - Wed, Jan 21

6:45 pm - 4:30 pm

LIS

IAD

26h 45m1 stop

9:45 pm - 5:55 pm

IAD

LIS

15h 10m1 stop

$525Multiple Airlines

Wed, Jan 21 - Fri, Jan 30

7:05 am - 6:45 pm

LIS

BWI

16h 40m1 stop

8:35 pm - 10:25 pm

BWI

LIS

20h 50m1 stop

$527British Airways

Wed, Jan 21 - Fri, Jan 30

5:00 am - 5:53 pm

LIS

DCA

17h 53m2 stops

5:00 pm - 3:10 pm

DCA

LIS

17h 10m2 stops

$531Delta

Thu, Jan 15 - Mon, Jan 19

5:00 am - 7:07 pm

LIS

BWI

19h 07m2 stops

3:39 pm - 5:30 pm

BWI

LIS

20h 51m2 stops

$531Delta

Wed, Feb 11 - Wed, Feb 18

11:25 am - 10:48 pm

LIS

DCA

16h 23m2 stops

5:00 pm - 2:35 pm

DCA

LIS

16h 35m2 stops

$563KLM

Thu, Jan 15 - Wed, Jan 21

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

IAD12:23 pmWashington, D.C. Dulles Intl

17h 57m

2 stops

LIS11:20 amLisbon Humberto Delgado

$526

Find similar

Delta

Feb 11

LIS5:30 amLisbon Humberto Delgado

16h 05m

1 stop

IAD4:35 pmWashington, D.C. Dulles Intl

Feb 18

IAD12:24 pmWashington, D.C. Dulles Intl

17h 56m

2 stops

LIS11:20 amLisbon Humberto Delgado

$529

Find similar

Delta

Jan 22

LIS5:00 amLisbon Humberto Delgado

19h 09m

2 stops

IAD7:09 pmWashington, D.C. Dulles Intl

Jan 25

IAD7:49 pmWashington, D.C. Dulles Intl

14h 21m

2 stops

LIS3:10 pmLisbon Humberto Delgado

$531

Find similar

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

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

United Airlines

Jan 15

LIS5:00 amLisbon Humberto Delgado

15h 50m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

Jan 21

IAD5:38 pmWashington, D.C. Dulles Intl

9h 32m

1 stop

LIS8:10 amLisbon Humberto Delgado

$600

Find similar

United Airlines

Mar 13

LIS5:00 amLisbon Humberto Delgado

30h 29m

2 stops

IAD7:29 amWashington, D.C. Dulles Intl

Mar 15

IAD12:55 pmWashington, D.C. Dulles Intl

30h 35m

2 stops

LIS11:30 pmLisbon Humberto Delgado

$609

Find similar

United Airlines

Feb 11

LIS5:00 amLisbon Humberto Delgado

21h 21m

3 stops

BWI9:21 pmBaltimore/Washington

Feb 18

BWI10:30 amBaltimore/Washington

16h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

$621

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 2/10

8:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Tue 2/17

6:20 pm-2:45 pm

1 stop15h 25m

$513

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 2/11

12:35 pm-6:45 pm

1 stop11h 10m

Washington, D.C. Dulles Intl

Wed 2/18

8:45 pm-4:55 pm

1 stop15h 10m

$514

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/22

6:30 am-4:30 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Mon 1/26

11:34 am-12:05 pm

2 stops43h 31m

$515

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/15

8:20 am-11:12 pm

2 stops19h 52m

Washington, D.C. Dulles Intl

Wed 1/21

5:46 pm-2:50 pm

2 stops16h 04m

$520

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 1/15

10:55 am-9:30 pm

1 stop15h 35m

Washington, D.C. Reagan-National

Wed 1/21

6:10 am-9:55 am

2 stops22h 45m

$522

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 1/21

6:45 pm-4:30 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Fri 1/30

9:45 pm-5:55 pm

1 stop15h 10m

$525

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 1/21

7:05 am-6:45 pm

1 stop16h 40m

Baltimore/Washington

Fri 1/30

8:35 pm-10:25 pm

1 stop20h 50m

$527

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 1/15

5:00 am-5:53 pm

2 stops17h 53m

Washington, D.C. Reagan-National

Mon 1/19

5:00 pm-3:10 pm

2 stops17h 10m

$531

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 2/11

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Wed 2/18

3:39 pm-5:30 pm

2 stops20h 51m

$531

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-2:35 pm

2 stops16h 35m

$563

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 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 $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 $796. 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	$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.?
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 (25.50% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (21.33%), Airbus A321neo (19.32%), and Boeing 787 Dreamliner (7.73%).
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 (21%), British Airways (17%), and Lufthansa (11%).

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 7,618 reviews	Search British Airways flights
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 9,119 reviews	Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $548	Free Cancellation	Rating 7.2 2,098 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 $749. 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 $548, round-trip. It should be noted that an average TAP AIR PORTUGAL flight deal for this route in this time was higher, at $720 round-trip. TAP AIR PORTUGAL operates 6 flights out of Lisbon into Washington, D.C. in an average week, so prices vary by time and availability. 2,098 TAP AIR PORTUGAL reviews by users on momondo have scored the airline at 7.2/10.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Tysons

Laurel

Colonial Beach

Silver Spring

Towson

Fredericksburg

Rockville

Gaithersburg

Manassas

Fairfax

Springfield

Glen Burnie

Reston

Linthicum Heights

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

Wed 1/28

Wed 2/4

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from Lisbon to Washington, D.C. from $344

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 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Lisbon to Washington, D.C.

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lisbon to 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.?

Iberia, British Airways, and American Airlines 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: 63% 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 New York (JFK) offer the lowest average round-trip price of $544.

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, 31 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 16% 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?

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