What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?

Flying on PLAY is currently your cheapest option to Washington, D.C., with prices starting at $397. Additional round-trip tickets that might be worth considering are offered by Finnair and Delta, with the lowest prices starting at $490 and $509, respectively. Users have found that PLAY is 41% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?

$447 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on TAP AIR PORTUGAL and Royal Air Maroc, with prices starting from $455 and $480, respectively.

What is the cheapest day to fly from Lisbon to Washington, D.C.?

Travelers seeking maximum savings on their Lisbon to Washington, D.C. flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Lisbon to Washington, D.C.?

The most popular flight routes from Lisbon to Washington, D.C. are Lisbon Humberto Delgado - Washington, D.C. Dulles Intl, Lisbon Humberto Delgado - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.

What are the cheapest flights from Lisbon to Washington, D.C.?

Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $1,957, our data indicates the cheapest price to be $338. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $490.

What are the most reliable airlines from Lisbon to Washington, D.C.?

Consider Air Canada (83%), United Airlines (83%) or Lufthansa (83%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..

What are the most popular airlines that fly from Lisbon to Washington, D.C.?

Lufthansa, TAP AIR PORTUGAL and United Airlines are the most popular airlines when flying from Lisbon to Washington, D.C..

What is the cheapest day to fly round-trip from Lisbon to Washington, D.C.?

Flights from Lisbon to Washington, D.C. are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

Users have found that booking a flight from Lisbon to Washington, D.C. at least 49 days early can save you up to 74% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from Lisbon to Washington, D.C. for as little as $549 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $751 for flights departing within the next 3 days.

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

Flights from Lisbon to Washington, D.C. lean towards being more expensive in July. Prices are generally better when you fly from Lisbon to Washington, D.C. in September, with the cheapest ticket starting at $498.

Most accurate provider : When it comes to deals on Lisbon-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Lisbon to Washington, D.C.?

Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 3 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 2 outbound flights to Washington, D.C. per day.

Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Lisbon to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lisbon to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Washington, D.C..

Can I find deals for business class flights from Lisbon to Washington, D.C.?

Yes. Cheapflights offers flight deals from Lisbon to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$306+ Flights from Lisbon to Washington, D.C.

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Find cheap flights from Lisbon to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in September or February, booked 48 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Lisbon to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$397 (Kiwi.com)
One-way from	$306 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$720
Good round-trip deal	$498 or less
Good one-way deal	$538 or less

Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.

Search Deals

From Lisbon Humberto Delgado to Washington, D.C. (WAS)

Search Deals

One-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

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Find flight deals from Lisbon to Washington, D.C.

Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Fri 5/29:40 pmLIS - BWI

1 stop25h 00mPLAY

Thu 5/296:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 3/27

$397

Wed 5/146:35 amLIS - IAD

1 stop13h 25mMultiple Airlines

Mon 5/265:40 pmIAD - LIS

1 stop24h 30mMultiple Airlines

Deal found 3/27

$489

Wed 5/146:35 amLIS - IAD

1 stop13h 25mFinnair

Mon 5/2610:40 pmIAD - LIS

1 stop19h 30mFinnair

Deal found 3/27

$490

Thu 5/15:00 amLIS - IAD

1 stop15h 35mDelta

Fri 5/309:20 pmIAD - LIS

1 stop15h 30mDelta

Deal found 3/27

$509

Mon 5/197:15 amLIS - IAD

1 stop15h 15mBritish Airways

Tue 6/310:40 pmIAD - LIS

1 stop11h 50mBritish Airways

Deal found 3/26

$510

Wed 5/1411:40 amLIS - DCA

2 stops16h 05mDelta

Mon 5/265:00 pmDCA - LIS

2 stops16h 50mDelta

Deal found 3/27

$514

Wed 5/147:20 amLIS - BWI

1 stop17h 15mMultiple Airlines

Mon 5/269:20 pmBWI - LIS

1 stop15h 35mMultiple Airlines

Deal found 3/27

$515

Fri 5/95:00 amLIS - BWI

2 stops19h 07mDelta

Sun 5/255:55 pmBWI - LIS

1 stop11h 50mDelta

Deal found 3/27

$518

Thu 5/19:50 amLIS - IAD

1 stop14h 25mAir France

Sat 5/316:30 pmIAD - LIS

1 stop15h 20mAir France

Deal found 3/27

$519

Fri 5/912:45 pmLIS - DCA

1 stop15h 59mKLM

Sun 5/2512:45 pmDCA - LIS

1 stop17h 00mKLM

Deal found 3/27

$527

Fri 5/912:45 pmLIS - IAD

2 stops15h 09mVirgin Atlantic

Sun 5/256:00 amIAD - LIS

2 stops23h 45mVirgin Atlantic

Deal found 3/27

$530

Fri 5/28:25 amLIS - DCA

2 stops16h 39mAmerican Airlines

Thu 5/291:15 pmDCA - LIS

2 stops13h 30mAmerican Airlines

Deal found 3/27

$530

Best flights from Lisbon to Washington, D.C.
Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 5/29:40 pmLIS - BWI

1 stop25h 00mPLAY

Thu 5/296:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 3/27

$397

Wed 5/146:35 amLIS - IAD

1 stop13h 25mMultiple Airlines

Mon 5/265:40 pmIAD - LIS

1 stop24h 30mMultiple Airlines

Deal found 3/27

$489

Wed 5/146:35 amLIS - IAD

1 stop13h 25mFinnair

Mon 5/2610:40 pmIAD - LIS

1 stop19h 30mFinnair

Deal found 3/27

$490

Thu 5/15:00 amLIS - IAD

1 stop15h 35mDelta

Fri 5/309:20 pmIAD - LIS

1 stop15h 30mDelta

Deal found 3/27

$509

Mon 5/197:15 amLIS - IAD

1 stop15h 15mBritish Airways

Tue 6/310:40 pmIAD - LIS

1 stop11h 50mBritish Airways

Deal found 3/26

$510

Thu 5/19:50 amLIS - IAD

1 stop14h 25mAir France

Sat 5/316:30 pmIAD - LIS

1 stop15h 20mAir France

Deal found 3/27

$519

Fri 5/912:45 pmLIS - DCA

1 stop15h 59mKLM

Sun 5/2512:45 pmDCA - LIS

1 stop17h 00mKLM

Deal found 3/27

$527

Fri 5/912:45 pmLIS - IAD

2 stops15h 09mVirgin Atlantic

Sun 5/256:00 amIAD - LIS

2 stops23h 45mVirgin Atlantic

Deal found 3/27

$530

Fri 5/28:25 amLIS - DCA

2 stops16h 39mAmerican Airlines

Thu 5/291:15 pmDCA - LIS

2 stops13h 30mAmerican Airlines

Deal found 3/27

$530

Fri 5/912:20 pmLIS - IAD

Nonstop8h 25mLufthansa

Sun 5/2510:20 pmIAD - LIS

1 stop18h 30mLufthansa

Deal found 3/27

$552

Thu 4/311:25 amLIS - IAD

1 stop32h 48mUnited Airlines

Thu 4/1710:15 pmIAD - LIS

Nonstop7h 15mUnited Airlines

Deal found 3/27

$561

Mon 5/195:55 amLIS - IAD

1 stop14h 20mSWISS

Tue 6/35:45 pmIAD - LIS

2 stops15h 00mSWISS

Deal found 3/26

$633

Last-minute flights from Lisbon to Washington, D.C.
Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated March 28, 2025 and is based on user searches.

Sat 3/293:25 pmLIS - IAD

1 stop28h 10mKLM

Mon 4/145:25 pmIAD - LIS

1 stop12h 30mKLM

Deal found 3/26

$670

Thu 4/37:20 amLIS - IAD

1 stop17h 50mBritish Airways

Thu 4/1710:40 pmIAD - LIS

1 stop19h 20mBritish Airways

Deal found 3/27

$511

Thu 4/311:25 amLIS - IAD

1 stop32h 48mUnited Airlines

Thu 4/1710:15 pmIAD - LIS

Nonstop7h 15mUnited Airlines

Deal found 3/27

$561

Thu 4/312:20 pmLIS - IAD

Nonstop8h 25mLufthansa

Thu 4/1710:15 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 3/27

$587

Thu 4/33:00 pmLIS - BWI

1 stop33h 35mBritish Airways

Thu 4/179:20 pmBWI - LIS

1 stop31h 45mBritish Airways

Deal found 3/27

$592

Thu 4/312:45 pmLIS - DCA

1 stop12h 11mDelta

Thu 4/178:45 amDCA - LIS

1 stop18h 15mDelta

Deal found 3/27

$652

Thu 4/37:20 amLIS - IAD

1 stop17h 50mAmerican Airlines

Thu 4/1710:40 pmIAD - LIS

1 stop19h 20mAmerican Airlines

Deal found 3/27

$663

Thu 4/37:20 amLIS - IAD

1 stop17h 50mFinnair

Thu 4/1710:40 pmIAD - LIS

1 stop19h 20mFinnair

Deal found 3/27

$679

Thu 4/310:00 amLIS - BWI

2 stops19h 36mVirgin Atlantic

Thu 4/1712:47 pmBWI - LIS

2 stops14h 13mVirgin Atlantic

Deal found 3/27

$858

Fri 4/411:25 amLIS - IAD

1 stop32h 48mMultiple Airlines

Thu 4/1710:15 pmIAD - LIS

Nonstop7h 15mMultiple Airlines

Deal found 3/28

$559

Fri 4/412:45 pmLIS - DCA

2 stops15h 25mVirgin Atlantic

Thu 4/176:25 amDCA - LIS

1 stop20h 35mVirgin Atlantic

Deal found 3/28

$578

Fri 4/45:00 amLIS - IAD

1 stop15h 35mDelta

Thu 4/1712:11 pmIAD - LIS

1 stop14h 49mDelta

Deal found 3/28

$589

One-way flights from Lisbon to Washington, D.C.
Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Wed 5/145:55 amLIS - BWI

2 stops42h 31mMultiple Airlines

Deal found 3/27

$306

Sat 5/106:40 amLIS - IAD

2 stops38h 56mMultiple Airlines

Deal found 3/27

$411

Sun 6/110:20 pmLIS - DCA

2 stops26h 33mMultiple Airlines

Deal found 3/27

$436

Thu 4/1011:25 amLIS - IAD

1 stop12h 30mAer Lingus

Deal found 3/27

$447

Mon 6/212:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 3/27

$455

Thu 5/2910:05 pmLIS - IAD

1 stop26h 00mRoyal Air Maroc

Deal found 3/28

$480

Sun 6/18:15 amLIS - IAD

2 stops31h 01mAir Transat

Deal found 3/27

$486

Mon 4/149:40 pmLIS - BWI

1 stop25h 00mPLAY

Deal found 3/27

$495

Fri 5/306:35 amLIS - IAD

1 stop13h 25mFinnair

Deal found 3/27

$502

Tue 5/137:15 amLIS - DCA

2 stops20h 21mFinnair

Deal found 3/27

$510

Wed 9/107:20 amLIS - BWI

1 stop17h 15mFinnair

Deal found 3/27

$514

Wed 4/306:35 amLIS - IAD

1 stop13h 25mIberia

Deal found 3/27

$518

Cheapflights Fare Finder

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

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 5/2

9:40 pm-5:40 pm

1 stop25h 00m

Baltimore/Washington

Thu 5/29

6:50 pm-8:20 pm

1 stop20h 30m

$397

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 5/14

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Mon 5/26

5:40 pm-11:10 pm

1 stop24h 30m

$489

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 5/14

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Mon 5/26

10:40 pm-11:10 pm

1 stop19h 30m

$490

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 5/1

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 5/30

9:20 pm-5:50 pm

1 stop15h 30m

$509

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Mon 5/19

7:15 am-5:30 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 6/3

10:40 pm-3:30 pm

1 stop11h 50m

$510

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Wed 5/14

11:40 am-10:45 pm

2 stops16h 05m

Washington, D.C. Reagan-National

Mon 5/26

5:00 pm-2:50 pm

2 stops16h 50m

$514

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 5/14

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

Mon 5/26

9:20 pm-5:55 pm

1 stop15h 35m

$515

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 5/9

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Sun 5/25

5:55 pm-10:45 am

1 stop11h 50m

$518

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 5/1

9:50 am-7:15 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Sat 5/31

6:30 pm-2:50 pm

1 stop15h 20m

$519

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 5/9

12:45 pm-11:44 pm

1 stop15h 59m

Washington, D.C. Reagan-National

Sun 5/25

12:45 pm-10:45 am

1 stop17h 00m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 results

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Compare providers for flights from Lisbon to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Washington, D.C. in March.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Lisbon-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lisbon with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Washington, D.C.

How far ahead should I book a flight from Lisbon to Washington, D.C.?

The best time to book flights from Lisbon to Washington, D.C. is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $309). Flying from Lisbon to Washington, D.C. in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LIS to WAS?

A simple way to save on the total cost of your ticket is to fly from Lisbon to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, Emirates and KLM from Lisbon to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Emirates

8.0

Very good

3,190 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat

7.8

Good

381 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT

7.6

Good

1,063 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from Lisbon to Washington, D.C.?
Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 3 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 2 outbound flights to Washington, D.C. per day.
What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?
Flying on PLAY is currently your cheapest option to Washington, D.C., with prices starting at $397. Additional round-trip tickets that might be worth considering are offered by Finnair and Delta, with the lowest prices starting at $490 and $509, respectively. Users have found that PLAY is 41% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?
$447 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on TAP AIR PORTUGAL and Royal Air Maroc, with prices starting from $455 and $480, respectively.
What are the most popular routes from Lisbon to Washington, D.C.?
The most popular flight routes from Lisbon to Washington, D.C. are Lisbon Humberto Delgado - Washington, D.C. Dulles Intl, Lisbon Humberto Delgado - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.
What are the most reliable airlines from Lisbon to Washington, D.C.?
Consider Air Canada (83%), United Airlines (83%) or Lufthansa (83%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..
What are the cheapest flights from Lisbon to Washington, D.C.?
Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $1,957, our data indicates the cheapest price to be $338. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $490.
Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lisbon to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Washington, D.C..
Can I find deals for business class flights from Lisbon to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lisbon to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $309). Flying from Lisbon to Washington, D.C. in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

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Top 3 airlines flying from Lisbon to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$536	Average$779	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$541	Average$732	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$543	Average$683	FlexibilityNo cancel fee	On-time69%

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$306+ Cheap flights from Lisbon (LIS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in September or February, booked 48 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Lisbon to Washington, D.C.

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Find flight deals from Lisbon to Washington, D.C.

Cheapest flights from Lisbon to Washington, D.C.Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

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Compare providers for flights from Lisbon to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Washington, D.C. in March.

Best time to book a flight from Lisbon to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lisbon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Washington, D.C.

How far ahead should I book a flight from Lisbon to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Washington, D.C.. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

What is the cheapest time of day to fly from LIS to WAS?

Find hourly flight availability from Lisbon to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, Emirates and KLM from Lisbon to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Lisbon to Washington, D.C.?

What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?

What are the most popular routes from Lisbon to Washington, D.C.?

What are the most reliable airlines from Lisbon to Washington, D.C.?

What are the cheapest flights from Lisbon to Washington, D.C.?

Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?

How can I find direct flights from Lisbon to Washington, D.C.?

Can I find deals for business class flights from Lisbon to Washington, D.C.?

What is the cheapest month to book a flight from Lisbon to Washington, D.C.?

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Top 3 airlines flying from Lisbon to Washington, D.C.

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Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.