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$325+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SEA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(FlightHub)

One-way from

$343
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$899
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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Highest demand for flights based on searches. 16% potential increase in price ($194 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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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 March 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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 9/56:55 amLIS - SEA
1 stop14h 55mMultiple Airlines
Fri 9/194:20 pmSEA - LIS
1 stop32h 40mMultiple Airlines
Deal found 3/31$598
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:05 amLIS - SEA
1 stop18h 45mBritish Airways
Sat 5/241:35 pmSEA - LIS
1 stop25h 35mBritish Airways
Deal found 3/29$738
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 9/197:20 amLIS - SEA
1 stop19h 00mAmerican Airlines
Fri 12/126:50 pmSEA - LIS
1 stop19h 35mAmerican Airlines
Deal found 3/30$742
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Sat 4/2611:00 amLIS - PDX
1 stop14h 35mBritish Airways
Mon 5/127:25 pmPDX - LIS
1 stop14h 30mBritish Airways
Deal found 3/30$744
This Finnair deal was found by Cheapflights users on 3/30. 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.
Wed 5/74:30 pmLIS - SEA
1 stop31h 30mFinnair
Mon 6/25:40 pmSEA - LIS
1 stop38h 00mFinnair
Deal found 3/30$744
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 6/115:00 amLIS - SEA
1 stop14h 40mDelta
Wed 6/187:20 amSEA - LIS
1 stop16h 40mDelta
Deal found 3/30$784
This Delta deal was found by Cheapflights users on 3/30. 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.
Sat 4/265:00 amLIS - PDX
2 stops21h 54mDelta
Mon 5/123:30 pmPDX - LIS
2 stops18h 20mDelta
Deal found 3/30$786
This KLM deal was found by Cheapflights users on 3/30. 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 5/111:40 amLIS - PDX
1 stop31h 40mKLM
Thu 5/223:30 pmPDX - LIS
2 stops19h 10mKLM
Deal found 3/30$787
This Air France deal was found by Cheapflights users on 3/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:50 pmLIS - SEA
1 stop24h 25mAir France
Mon 6/167:50 amSEA - LIS
1 stop18h 55mAir France
Deal found 3/30$796
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:05 amLIS - SEA
2 stops21h 28mAir Canada
Sat 5/2411:30 amSEA - LIS
2 stops37h 50mAir Canada
Deal found 3/29$800
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/17:20 amLIS - PDX
1 stop18h 15mAmerican Airlines
Tue 5/67:25 pmPDX - LIS
1 stop19h 35mAmerican Airlines
Deal found 3/30$801
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/75:05 amLIS - SEA
2 stops17h 08mUnited Airlines
Wed 5/287:00 amSEA - LIS
2 stops20h 05mUnited Airlines
Deal found 3/30$820

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 March 31, 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

6:55 am-1:50 pm

1 stop14h 55m

Seattle/Tacoma Intl

Fri 9/19

4:20 pm-9:00 am

1 stop32h 40m

$598

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 5/8

11:05 am-9:50 pm

1 stop18h 45m

Seattle/Tacoma Intl

Sat 5/24

1:35 pm-11:10 pm

1 stop25h 35m

$738

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/19

7:20 am-6:20 pm

1 stop19h 00m

Seattle/Tacoma Intl

Fri 12/12

6:50 pm-10:25 pm

1 stop19h 35m

$742

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 5/7

4:30 pm-4:00 pm

1 stop31h 30m

Seattle/Tacoma Intl

Mon 6/2

5:40 pm-3:40 pm

1 stop38h 00m

$744

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 4/26

11:00 am-5:35 pm

1 stop14h 35m

Portland

Mon 5/12

7:25 pm-5:55 pm

1 stop14h 30m

$744

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 5/6

5:00 am-3:57 pm

1 stop18h 57m

Seattle/Tacoma Intl

Sat 5/31

6:07 pm-10:50 pm

1 stop20h 43m

$782

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 6/11

5:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Wed 6/18

7:20 am-8:00 am

1 stop16h 40m

$784

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Sat 4/26

5:00 am-6:54 pm

2 stops21h 54m

Portland

Mon 5/12

3:30 pm-5:50 pm

2 stops18h 20m

$786

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 5/1

11:40 am-11:20 am

1 stop31h 40m

Portland

Thu 5/22

3:30 pm-6:40 pm

2 stops19h 10m

$787

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

6:50 pm-11:15 am

1 stop24h 25m

Seattle/Tacoma Intl

Mon 6/16

7:50 am-10:45 am

1 stop18h 55m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 37 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 $411). 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 March 31, 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 March 31, 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
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

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 $590. Turkish Airlines flights start at $643 while deals on Finnair start at $680 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 $411). 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 4 airlines flying from Lisbon to Washington

Discover the top 4 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$717Average$823FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$720Average$1,074FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$738Average$867FlexibilityNo cancel feeOn-time69%
DeltaCheapest$756Average$859FlexibilityNo cancel feeOn-timeN/A
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