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Washington, D.C.

$323+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — WAS
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
1 adult, Economy
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The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in September or February, booked 49 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$503
(American Airlines)

One-way from

$323
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$720

Good round-trip deal

$551 or less

Good one-way deal

$563 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.
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From Lisbon Humberto Delgado to Washington, D.C. (WAS)
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One-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 16% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 12, 2025.

This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/158:25 amLIS - IAD
1 stop11h 35mAmerican Airlines
Wed 4/2310:40 pmIAD - LIS
1 stop19h 30mAmerican Airlines
Deal found 3/11$503
This Priceline deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/158:25 amLIS - IAD
1 stop11h 35mMultiple Airlines
Sun 4/2010:40 pmIAD - LIS
1 stop12h 40mMultiple Airlines
Deal found 3/11$504
This Expedia deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:35 amLIS - IAD
1 stop13h 25mBritish Airways
Sat 4/1910:45 pmIAD - LIS
1 stop30h 20mBritish Airways
Deal found 3/12$506
This Finnair deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:20 amLIS - BWI
1 stop17h 15mFinnair
Sat 5/109:20 pmBWI - LIS
1 stop20h 50mFinnair
Deal found 3/12$506
This Booking.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2810:45 amLIS - BWI
1 stop13h 00mBritish Airways
Tue 4/19:20 pmBWI - LIS
1 stop15h 35mBritish Airways
Deal found 3/12$516
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/205:00 amLIS - IAD
1 stop15h 45mDelta
Thu 4/38:21 pmIAD - LIS
2 stops16h 29mDelta
Deal found 3/12$521
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/205:00 amLIS - DCA
2 stops17h 00mDelta
Thu 4/312:10 pmDCA - LIS
2 stops17h 45mDelta
Deal found 3/12$533
This KLM deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:30 pmLIS - IAD
1 stop25h 05mKLM
Sun 4/205:25 pmIAD - LIS
1 stop16h 10mKLM
Deal found 3/12$534
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2010:55 amLIS - DCA
1 stop23h 50mAmerican Airlines
Thu 4/312:37 pmDCA - LIS
2 stops14h 08mAmerican Airlines
Deal found 3/11$534
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/205:30 amLIS - BWI
2 stops17h 26mDelta
Wed 4/210:59 amBWI - LIS
2 stops16h 51mDelta
Deal found 3/12$537
This KLM deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:00 amLIS - DCA
1 stop13h 07mKLM
Mon 6/165:00 pmDCA - LIS
1 stop10h 00mKLM
Deal found 3/11$546
This Virgin Atlantic deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:45 pmLIS - DCA
1 stop14h 16mVirgin Atlantic
Mon 6/1611:00 amDCA - LIS
1 stop16h 00mVirgin Atlantic
Deal found 3/11$549

Find flights from Lisbon to Washington, D.C. within your budget

Customize your flight search to find flights from Lisbon to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2025.

Fly from

Lisbon

Fly to

Washington, D.C.

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/15

8:25 am-3:00 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 4/23

10:40 pm-11:10 pm

1 stop19h 30m

$503

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/15

8:25 am-3:00 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 4/20

10:40 pm-4:20 pm

1 stop12h 40m

$504

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sun 4/13

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Sat 4/19

10:45 pm-10:05 am

1 stop30h 20m

$506

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 5/1

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

Sat 5/10

9:20 pm-11:10 pm

1 stop20h 50m

$506

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 3/28

10:45 am-7:45 pm

1 stop13h 00m

Baltimore/Washington

Tue 4/1

9:20 pm-5:55 pm

1 stop15h 35m

$516

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 4/12

7:30 pm-3:35 pm

1 stop25h 05m

Washington, D.C. Dulles Intl

Sun 4/20

5:25 pm-2:35 pm

1 stop16h 10m

$534

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/22

11:40 am-10:45 pm

2 stops16h 05m

Washington, D.C. Reagan-National

Mon 6/16

11:00 am-8:00 am

1 stop16h 00m

$535

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 4/15

5:00 am-4:39 pm

2 stops16h 39m

Washington, D.C. Dulles Intl

Sun 4/20

5:25 pm-10:55 am

1 stop12h 30m

$544

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/22

10:00 am-6:07 pm

1 stop13h 07m

Washington, D.C. Reagan-National

Mon 6/16

5:00 pm-8:00 am

1 stop10h 00m

$546

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/22

12:45 pm-10:45 pm

2 stops15h 00m

Washington, D.C. Reagan-National

Mon 6/16

5:00 pm-8:00 am

1 stop10h 00m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 results
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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.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy1 starTrust 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.

Travel insights for flights from Lisbon to Washington, D.C.

Get recent, data-driven insights about flights from Lisbon to Washington, D.C. including ideal travel times, pricing trends, and more.

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 7, 2025.

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 $388). 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?

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 12, 2025.

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 32% on your trip compared to booking a flight at noon.

Weekly flight availability from Lisbon to Washington, D.C.

Explore weekly flight availability from Lisbon to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 12, 2025.

The most flights from LIS to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. by month

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

Plan your trip to Washington, D.C. by taking into account the average temperature totals 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 insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated March 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair 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
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7,953 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,320 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,268 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7.5
Good
767 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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

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.?

    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 3 outbound flights to Washington, D.C. per day.

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

    Flying on American Airlines is currently your cheapest option to Washington, D.C., with prices starting at $503. Additional round-trip tickets that might be worth considering are offered by British Airways and Finnair, with the lowest prices starting at $506 and $506, respectively. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

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

    $434 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 Iberia, with prices starting from $444 and $466, 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 (81%), United Airlines (81%) or Lufthansa (81%) 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 $1,937, our data indicates the cheapest price to be $375. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $499.

  • 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 $388). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Woodbridge
Laurel
Falls Church
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

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Alternative routes for Lisbon to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Dulles Intl flights
Lisbon to Reagan-National flights
Porto to Dulles Intl flights
Porto to Reagan-National flights

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

Discover the top 3 airlines that operate flights from Lisbon to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$536Average$779FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$541Average$732FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$543Average$683FlexibilityNo cancel feeOn-time69%
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