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$320+ Cheap flights from Lisbon (LIS) to Washington

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Lisbon to Washington

Keep the following information in mind while searching for Lisbon to Washington flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$711
(FlightHub)

One-way from

$320
(Kiwi.com)

Popular in

November

Cheapest in

December

Average price

$800
Provider with most accurate pricing for Lisbon Humberto Delgado-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Seattle/Tacoma Intl flights.
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From Lisbon Humberto Delgado to Washington
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One-way flight from Lisbon Humberto Delgado to Washington
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High demand for flights, 1% potential price rise
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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 April 2025
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Find flight deals from Lisbon to Washington

Cheapest flights from Lisbon to Washington
Explore the most affordable flight options available from Lisbon to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:45 amLIS - SEA
1 stop15h 05mMultiple Airlines
Fri 9/194:20 pmSEA - LIS
1 stop32h 40mMultiple Airlines
Deal found 4/29$711
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/511:05 amLIS - SEA
1 stop18h 45mBritish Airways
Sun 5/181:30 pmSEA - LIS
1 stop18h 50mBritish Airways
Deal found 4/28$769
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 6/25:00 amLIS - SEA
1 stop14h 40mDelta
Mon 6/167:20 amSEA - LIS
2 stops19h 55mDelta
Deal found 4/29$815
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:25 amLIS - SEA
2 stops32h 00mUnited Airlines
Sat 5/2411:30 amSEA - LIS
1 stop15h 35mUnited Airlines
Deal found 4/29$851
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/1111:05 amLIS - SEA
1 stop19h 21mAmerican Airlines
Wed 6/181:30 pmSEA - LIS
1 stop20h 25mAmerican Airlines
Deal found 4/29$868
This deal was found by Cheapflights users on 4/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1711:25 amLIS - SEA
1 stop17h 12mAir Canada
Tue 6/2411:35 amSEA - LIS
1 stop15h 30mAir Canada
Deal found 4/28$876
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 5/55:00 amLIS - PDX
1 stop14h 20mDelta
Fri 5/307:14 amPDX - LIS
2 stops20h 01mDelta
Deal found 4/29$895
This KLM deal was found by Cheapflights users on 4/28. 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 6/123:35 pmLIS - SEA
1 stop28h 05mKLM
Thu 6/195:35 pmSEA - LIS
1 stop21h 15mKLM
Deal found 4/28$902
This Priceline deal was found by Cheapflights users on 4/29. 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.
Mon 5/57:15 amLIS - PDX
1 stop18h 20mBritish Airways
Tue 5/277:25 pmPDX - LIS
1 stop14h 30mBritish Airways
Deal found 4/29$904
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:55 amLIS - SEA
1 stop19h 20mTurkish Airlines
Wed 9/177:10 pmSEA - LIS
1 stop36h 20mTurkish Airlines
Deal found 4/29$927
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:05 amLIS - SEA
1 stop15h 20mLufthansa
Fri 6/67:15 pmSEA - LIS
2 stops30h 00mLufthansa
Deal found 4/29$948
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:55 amLIS - PDX
2 stops20h 50mMultiple Airlines
Wed 5/213:25 pmPDX - LIS
2 stops22h 25mMultiple Airlines
Deal found 4/29$1,010

Cheapflights Fare Finder

Customize your flight search to find flights from Lisbon to Washington 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 April 29, 2025.
Use the filters below to find and compare flights from Lisbon to Washington that are best for you.

Fly from

Lisbon

Fly to

Washington

Route

Depart

Return

Price

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/5

6:45 am-1:50 pm

1 stop15h 05m

Seattle/Tacoma Intl

Fri 9/19

4:20 pm-9:00 am

1 stop32h 40m

$711

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 9/10

11:05 am-9:38 pm

1 stop18h 33m

Seattle/Tacoma Intl

Fri 9/26

8:20 pm-11:10 pm

1 stop18h 50m

$773

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

5:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Mon 6/16

7:20 am-11:15 am

2 stops19h 55m

$815

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

7:30 pm-11:40 am

1 stop24h 10m

Seattle/Tacoma Intl

Mon 6/16

2:10 pm-6:40 pm

1 stop20h 30m

$819

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 6/11

11:05 am-10:26 pm

1 stop19h 21m

Seattle/Tacoma Intl

Wed 6/18

1:30 pm-5:55 pm

1 stop20h 25m

$868

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 6/17

11:25 am-8:37 pm

1 stop17h 12m

Seattle/Tacoma Intl

Tue 6/24

11:35 am-11:05 am

1 stop15h 30m

$876

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 6/12

5:05 am-2:13 pm

2 stops17h 08m

Seattle/Tacoma Intl

Thu 6/19

7:00 am-10:30 am

2 stops19h 30m

$923

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 9/16

5:55 am-5:15 pm

1 stop19h 20m

Seattle/Tacoma Intl

Wed 9/17

7:10 pm-3:30 pm

1 stop36h 20m

$927

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 6/3

5:05 am-12:25 pm

1 stop15h 20m

Seattle/Tacoma Intl

Fri 6/6

7:15 pm-9:15 am

2 stops30h 00m

$948

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 5/17

5:55 am-6:45 pm

2 stops20h 50m

Portland

Wed 5/21

3:25 pm-9:50 pm

2 stops22h 25m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 31 results
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Best time to book a flight from Lisbon to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Lisbon to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Lisbon to State of Washington (average of $238). Flying from Lisbon to State of Washington in July is currently the most expensive (average of $405). 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 WA?

Find hourly flight availability from Lisbon to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Lisbon to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated April 29, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Lisbon to Washington. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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. 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?

    For a flight from Lisbon to Washington, you will be flying from Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city.

  • What are the cheapest airlines to fly from Lisbon to State of Washington one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $569. Turkish Airlines flights start at $678 while deals on Finnair start at $730 one-way.

  • Can I find deals for flights from Lisbon to Washington that include hotel bookings?

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

  • How can I find direct flights from Lisbon to Washington?

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

  • Can I find deals for business class flights from Lisbon to Washington?

    Yes. Cheapflights offers flight deals from Lisbon to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Lisbon to State of Washington (average of $238). Flying from Lisbon to State of Washington in July is currently the most expensive (average of $405). 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

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Alternative routes for Lisbon to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Lisbon to Washington

Discover the top 5 airlines that operate flights from Lisbon to Washington. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$717Average$823FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$720Average$1,084FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$738Average$867FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$762Average$1,067FlexibilityNo cancel feeOn-time77%
DeltaCheapest$765Average$859FlexibilityNo cancel feeOn-timeN/A

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