Washington, D.C.

$411+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — WAS
Jun 17 — Jun 241
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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 Thursday or Wednesday and return on a Monday

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 June 12, 2025.

Round-trip from

$466
(Cheapflightsfares)

One-way from

$411
(oojo)

Popular in

July

Cheapest in

September

Average price

$734

Good round-trip deal

$617 or less

Good one-way deal

$591 or less
From Lisbon Humberto Delgado to Washington, D.C. (WAS)
One-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS)
Highest demand for flights based on searches. 15% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).
Price to beat on a one-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:35 amLIS - IAD
1 stop13h 25mMultiple Airlines
Tue 9/210:40 pmIAD - LIS
1 stop14h 15mMultiple Airlines
Deal found 6/12$466
This Delta deal was found by Cheapflights users on 6/12. 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 9/115:00 amLIS - IAD
1 stop15h 35mDelta
Fri 9/199:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 6/12$470
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/36:35 amLIS - IAD
1 stop13h 25mAmerican Airlines
Wed 9/1710:40 pmIAD - LIS
1 stop14h 15mAmerican Airlines
Deal found 6/11$475
This Delta deal was found by Cheapflights users on 6/12. 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 10/235:00 amLIS - DCA
2 stops18h 05mDelta
Sun 11/211:00 amDCA - LIS
1 stop16h 00mDelta
Deal found 6/12$479
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 11/1911:15 amLIS - BWI
2 stops15h 29mAmerican Airlines
Thu 11/278:30 pmBWI - LIS
1 stop16h 30mAmerican Airlines
Deal found 6/10$482
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Thu 8/287:20 amLIS - IAD
1 stop15h 15mBritish Airways
Mon 10/2710:55 pmIAD - LIS
1 stop16h 00mBritish Airways
Deal found 6/10$488
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:40 amLIS - BWI
1 stop13h 05mBritish Airways
Tue 12/28:30 pmBWI - LIS
1 stop16h 15mBritish Airways
Deal found 6/10$489
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:30 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Sun 11/210:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Deal found 6/12$494
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:45 pmLIS - DCA
1 stop14h 08mVirgin Atlantic
Sun 11/25:05 amDCA - LIS
1 stop20h 55mVirgin Atlantic
Deal found 6/12$495
This KLM deal was found by Cheapflights users on 6/12. 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.
Wed 10/2212:45 pmLIS - DCA
1 stop15h 44mKLM
Sun 11/25:00 pmDCA - LIS
1 stop11h 00mKLM
Deal found 6/12$499
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/1911:05 amLIS - DCA
2 stops24h 54mAmerican Airlines
Sat 7/53:59 pmDCA - LIS
1 stop12h 06mAmerican Airlines
Deal found 6/11$520
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:35 amLIS - IAD
1 stop13h 25mIberia
Sat 7/54:35 pmIAD - LIS
1 stop20h 50mIberia
Deal found 6/11$526

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Lisbon to Washington, D.C. that are best for you.

Fly from

Lisbon

Fly to

Washington, D.C.

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 8/29

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 9/2

10:40 pm-5:55 pm

1 stop14h 15m

$466

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/11

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 9/19

9:20 pm-2:50 pm

1 stop12h 30m

$470

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 9/3

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Wed 9/17

10:40 pm-5:55 pm

1 stop14h 15m

$475

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 10/23

5:00 am-6:05 pm

2 stops18h 05m

Washington, D.C. Reagan-National

Sun 11/2

11:00 am-8:00 am

1 stop16h 00m

$479

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 11/19

11:15 am-9:44 pm

2 stops15h 29m

Baltimore/Washington

Thu 11/27

8:30 pm-6:00 pm

1 stop16h 30m

$482

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 8/28

7:20 am-5:35 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 10/27

10:55 pm-6:55 pm

1 stop16h 00m

$488

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 11/11

10:40 am-6:45 pm

1 stop13h 05m

Baltimore/Washington

Tue 12/2

8:30 pm-5:45 pm

1 stop16h 15m

$489

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/23

5:30 pm-8:50 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sun 11/2

10:30 pm-10:35 am

Nonstop7h 05m

$494

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 10/23

12:45 pm-9:53 pm

1 stop14h 08m

Washington, D.C. Reagan-National

Sun 11/2

5:05 am-7:00 am

1 stop20h 55m

$495

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Wed 10/22

12:45 pm-11:29 pm

1 stop15h 44m

Washington, D.C. Reagan-National

Sun 11/2

5:00 pm-9:00 am

1 stop11h 00m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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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.?

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 June 9, 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 $241). Flying from Lisbon to Washington, D.C. in March is currently the most expensive (average of $290). 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Lisbon to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the morning.

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 June 12, 2025.

The most flights from LIS to WAS are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, 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 June 12, 2025.
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.
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.. 2 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 6 outbound flights to Washington, D.C. per day.

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

    Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $470. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $475 and $488, respectively. Users have found that Delta is 29% cheaper than the other options available to this destination.

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

    $411 is the cheapest one-way deal found within the past few days, from WorldTicket. You may also be able to find cheap deals on PLAY and Aer Lingus, with prices starting from $412 and $475, respectively.

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

  • 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 $241). Flying from Lisbon to Washington, D.C. in March is currently the most expensive (average of $290). 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 2 airlines flying from Lisbon to Washington, D.C.

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$534Average$636FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$548Average$734FlexibilityNo cancel feeOn-timeN/A

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