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

Flying on British Airways is currently your cheapest option to Washington, D.C., with prices starting at $525. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $531 and $537, respectively. Users have found that British Airways is 21% cheaper than the other options available to this destination.

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

$376 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Aer Lingus and PLAY, with prices starting from $456 and $500, 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 - Baltimore/Washington and Lisbon Humberto Delgado - Washington, D.C. Reagan-National.

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 $1,329, our data indicates the cheapest price to be $344. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $522.

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

Consider Air Canada (72%), United Airlines (72%) or Lufthansa (72%) 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 $544 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 $750 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 $495.

Most accurate provider : When it comes to deals on Lisbon-Washington, D.C. flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 4 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.

$315+ 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 Friday or Wednesday and return on a Tuesday

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$522 (British Airways)
One-way from	$315 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$661
Good round-trip deal	$472 or less
Good one-way deal	$564 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. 17% potential increase in price ($139 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

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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 avril 17, 2025.

ven. 5/28:25 amLIS - IAD

1 stop11h 35mMultiple Airlines

mar. 5/610:40 pmIAD - LIS

1 stop14h 15mMultiple Airlines

Deal found 4/16

$522

ven. 5/96:35 amLIS - IAD

1 stop13h 25mBritish Airways

dim. 5/2510:40 pmIAD - LIS

1 stop19h 25mBritish Airways

Deal found 4/17

$525

ven. 5/25:00 amLIS - IAD

1 stop15h 35mDelta

mar. 5/68:33 pmIAD - LIS

2 stops16h 17mDelta

Deal found 4/16

$531

ven. 5/27:20 amLIS - BWI

1 stop17h 15mBritish Airways

mar. 5/69:20 pmBWI - LIS

1 stop15h 35mBritish Airways

Deal found 4/16

$535

ven. 5/95:00 amLIS - DCA

2 stops18h 07mDelta

dim. 5/256:55 pmDCA - LIS

2 stops14h 55mDelta

Deal found 4/16

$536

ven. 5/25:00 amLIS - BWI

2 stops18h 50mDelta

mar. 5/62:35 pmBWI - LIS

2 stops15h 40mDelta

Deal found 4/16

$536

sam. 5/177:30 pmLIS - IAD

1 stop25h 05mKLM

lun. 6/212:20 pmIAD - LIS

1 stop14h 40mKLM

Deal found 4/17

$537

mer. 5/286:45 amLIS - IAD

1 stop14h 05mLufthansa

lun. 6/210:15 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 4/16

$559

ven. 5/96:15 amLIS - IAD

1 stop13h 45mUnited Airlines

dim. 5/259:00 amIAD - LIS

1 stop18h 20mUnited Airlines

Deal found 4/16

$570

jeu. 10/237:30 amLIS - DCA

2 stops17h 14mAir Canada

dim. 10/264:00 pmDCA - LIS

2 stops13h 20mAir Canada

Deal found 4/17

$571

ven. 5/911:25 amLIS - DCA

1 stop27h 54mUnited Airlines

dim. 5/259:33 amDCA - LIS

1 stop17h 47mUnited Airlines

Deal found 4/17

$574

mer. 10/2212:45 pmLIS - DCA

2 stops14h 34mAir France

lun. 10/2712:59 pmDCA - LIS

2 stops15h 01mAir France

Deal found 4/17

$581

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 avril 17, 2025.

ven. 5/28:25 amLIS - IAD

1 stop11h 35mMultiple Airlines

mar. 5/610:40 pmIAD - LIS

1 stop14h 15mMultiple Airlines

Deal found 4/16

$522

ven. 5/96:35 amLIS - IAD

1 stop13h 25mBritish Airways

dim. 5/2510:40 pmIAD - LIS

1 stop19h 25mBritish Airways

Deal found 4/17

$525

ven. 5/25:00 amLIS - IAD

1 stop15h 35mDelta

mar. 5/68:33 pmIAD - LIS

2 stops16h 17mDelta

Deal found 4/16

$531

sam. 5/177:30 pmLIS - IAD

1 stop25h 05mKLM

lun. 6/212:20 pmIAD - LIS

1 stop14h 40mKLM

Deal found 4/17

$537

mer. 5/286:45 amLIS - IAD

1 stop14h 05mLufthansa

lun. 6/210:15 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 4/16

$559

ven. 5/911:25 amLIS - DCA

1 stop15h 28mUnited Airlines

dim. 5/259:33 amDCA - LIS

1 stop17h 47mUnited Airlines

Deal found 4/17

$574

sam. 5/1710:00 amLIS - IAD

2 stops17h 54mVirgin Atlantic

lun. 6/29:40 amIAD - LIS

2 stops20h 05mVirgin Atlantic

Deal found 4/17

$586

ven. 5/96:35 amLIS - IAD

1 stop13h 25mFinnair

dim. 5/254:35 pmIAD - LIS

1 stop25h 50mFinnair

Deal found 4/17

$591

jeu. 5/156:35 amLIS - IAD

1 stop13h 25mAmerican Airlines

jeu. 5/2210:40 pmIAD - LIS

1 stop11h 45mAmerican Airlines

Deal found 4/16

$602

ven. 5/212:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

mar. 5/610:20 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Deal found 4/16

$604

jeu. 5/2211:25 amLIS - DCA

1 stop15h 28mAir Canada

dim. 5/256:59 amDCA - LIS

1 stop23h 06mAir Canada

Deal found 4/17

$612

ven. 5/95:55 amLIS - IAD

2 stops18h 55mSWISS

dim. 5/258:45 pmIAD - LIS

1 stop21h 35mSWISS

Deal found 4/16

$613

Last-minute flights from Lisbon to Washington, D.C.
Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated avril 17, 2025 and is based on user searches.

mar. 4/225:40 amLIS - DCA

2 stops18h 19mDelta

dim. 4/2711:00 amDCA - LIS

2 stops16h 50mDelta

Deal found 4/17

$640

mar. 4/227:15 amLIS - DCA

2 stops17h 44mBritish Airways

dim. 4/273:54 pmDCA - LIS

1 stop12h 11mBritish Airways

Deal found 4/17

$651

mar. 4/229:50 amLIS - IAD

1 stop14h 25mAir France

dim. 4/279:20 pmIAD - LIS

1 stop12h 30mAir France

Deal found 4/17

$658

mar. 4/2212:45 pmLIS - DCA

1 stop32h 06mVirgin Atlantic

dim. 4/274:55 pmDCA - LIS

1 stop12h 50mVirgin Atlantic

Deal found 4/17

$682

mar. 4/2212:45 pmLIS - IAD

2 stops24h 46mMultiple Airlines

dim. 4/275:25 pmIAD - LIS

1 stop12h 30mMultiple Airlines

Deal found 4/17

$698

mar. 4/2212:20 pmLIS - IAD

Nonstop8h 25mUnited Airlines

dim. 4/273:47 pmIAD - LIS

1 stop11h 33mUnited Airlines

Deal found 4/17

$710

mar. 4/2212:45 pmLIS - BWI

1 stop11h 05mDelta

dim. 4/277:30 pmBWI - LIS

1 stop10h 15mDelta

Deal found 4/17

$717

mar. 4/2211:35 amLIS - BWI

2 stops25h 45mMultiple Airlines

dim. 4/278:30 pmBWI - LIS

2 stops18h 50mMultiple Airlines

Deal found 4/17

$940

mar. 4/2212:45 pmLIS - IAD

2 stops16h 40mVirgin Atlantic

dim. 4/276:00 amIAD - LIS

2 stops23h 45mVirgin Atlantic

Deal found 4/17

$1,000

ven. 5/28:25 amLIS - IAD

1 stop11h 35mMultiple Airlines

mar. 5/610:40 pmIAD - LIS

1 stop14h 15mMultiple Airlines

Deal found 4/16

$522

ven. 5/25:00 amLIS - IAD

1 stop15h 35mDelta

mar. 5/68:33 pmIAD - LIS

2 stops16h 17mDelta

Deal found 4/16

$531

ven. 5/27:20 amLIS - BWI

1 stop17h 15mBritish Airways

mar. 5/69:20 pmBWI - LIS

1 stop15h 35mBritish Airways

Deal found 4/16

$535

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 avril 17, 2025.

mar. 6/1010:05 pmLIS - BWI

3 stops48h 35mMultiple Airlines

Deal found 4/15

$315

dim. 5/1812:00 pmLIS - IAD

Nonstop8h 15mTAP AIR PORTUGAL

Deal found 4/17

$376

mer. 5/219:40 amLIS - DCA

3 stops41h 13mMultiple Airlines

Deal found 4/16

$388

mer. 6/117:20 pmLIS - IAD

2 stops52h 45mMultiple Airlines

Deal found 4/17

$393

dim. 5/1110:15 pmLIS - IAD

1 stop22h 35mAer Lingus

Deal found 4/16

$456

lun. 6/29:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 4/16

$500

lun. 6/21:15 pmLIS - IAD

1 stop10h 50mRoyal Air Maroc

Deal found 4/17

$502

sam. 9/2012:30 pmLIS - DCA

2 stops15h 30mBritish Airways

Deal found 4/16

$531

jeu. 10/97:20 amLIS - BWI

1 stop17h 15mBritish Airways

Deal found 4/16

$537

sam. 5/177:10 amLIS - DCA

2 stops20h 26mFinnair

Deal found 4/17

$538

lun. 6/28:25 amLIS - DCA

2 stops15h 42mIberia

Deal found 4/17

$547

mer. 9/107:20 amLIS - BWI

1 stop17h 15mFinnair

Deal found 4/17

$547

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

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

ven. 5/2

8:25 am-3:00 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

mar. 5/6

10:40 pm-5:55 pm

1 stop14h 15m

$522

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

ven. 5/9

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

dim. 5/25

10:40 pm-11:05 pm

1 stop19h 25m

$525

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

ven. 5/2

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

mar. 5/6

8:33 pm-5:50 pm

2 stops16h 17m

$531

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

ven. 5/2

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

mar. 5/6

9:20 pm-5:55 pm

1 stop15h 35m

$535

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

ven. 5/9

5:00 am-6:07 pm

2 stops18h 07m

Washington, D.C. Reagan-National

dim. 5/25

5:00 pm-2:50 pm

2 stops16h 50m

$536

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

ven. 5/2

5:00 am-6:50 pm

2 stops18h 50m

Baltimore/Washington

mar. 5/6

2:35 pm-11:15 am

2 stops15h 40m

$536

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

sam. 5/17

7:30 pm-3:35 pm

1 stop25h 05m

Washington, D.C. Dulles Intl

lun. 6/2

12:20 pm-8:00 am

1 stop14h 40m

$537

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

mer. 5/28

6:45 am-3:50 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

lun. 6/2

10:15 pm-10:30 am

Nonstop7h 15m

$559

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

ven. 5/9

6:15 am-3:00 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

dim. 5/25

9:00 am-8:20 am

1 stop18h 20m

$570

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

ven. 5/9

11:25 am-9:53 pm

1 stop15h 28m

Washington, D.C. Reagan-National

dim. 5/25

9:33 am-8:20 am

1 stop17h 47m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Lisbon-Washington, D.C. flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $383). 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 29% 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, KLM and LOT 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

7,916 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

7,916 reviews

Delta

8.0

Very good

7,916 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

1,327 reviews

Delta

8.0

Very good

7,916 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

1,065 reviews

Delta

8.0

Very good

7,916 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

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,916 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

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very good

7,916 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 4 outbound flights to Washington, D.C. per day.
What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?
Flying on British Airways is currently your cheapest option to Washington, D.C., with prices starting at $525. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $531 and $537, respectively. Users have found that British Airways is 21% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?
$376 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Aer Lingus and PLAY, with prices starting from $456 and $500, 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 - Baltimore/Washington and Lisbon Humberto Delgado - Washington, D.C. Reagan-National.
What are the most reliable airlines from Lisbon to Washington, D.C.?
Consider Air Canada (72%), United Airlines (72%) or Lufthansa (72%) 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 $1,329, our data indicates the cheapest price to be $344. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $522.
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 $383). 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.

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Arlington

Alexandria

Fairfax

Tysons

Springfield

Woodbridge

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

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$730	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$543	Average$645	FlexibilityNo cancel fee	On-time69%

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$315+ 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 6/10. 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 Friday or Wednesday 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 avril 17, 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 avril 17, 2025.

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

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 April.

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 April 11, 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 avril 17, 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, KLM and LOT 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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Alternative routes for 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 avril 17, 2025.