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$650+ Cheap flights from Lisbon (LIS) to Seattle (SEA)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Lisbon to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Seattle (SEA). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$774
(Mytrip)

One-way from

$650
(Cheapflightsfares)

Popular in

August

Cheapest in

December

Average price

$795
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 Seattle/Tacoma Intl
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One-way flight from Lisbon Humberto Delgado to Seattle/Tacoma Intl
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Lisbon to Seattle

Cheapest flights from Lisbon to Seattle
Explore the most affordable flight options available from Lisbon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/275:30 amLIS - SEA
1 stop14h 39mDelta
Thu 1/99:55 amSEA - LIS
2 stops21h 15mDelta
Deal found 12/17$785
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/276:30 amLIS - SEA
2 stops25h 01mAmerican Airlines
Thu 1/91:35 pmSEA - LIS
2 stops24h 20mAmerican Airlines
Deal found 12/18$874
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/2711:00 amLIS - SEA
1 stop18h 20mUnited Airlines
Thu 1/97:00 amSEA - LIS
2 stops17h 10mUnited Airlines
Deal found 12/17$881
This Lufthansa deal was found by Cheapflights users on 12/17. 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.
Fri 12/276:10 amLIS - SEA
1 stop15h 10mLufthansa
Thu 1/911:05 amSEA - LIS
2 stops18h 15mLufthansa
Deal found 12/17$1,007
This British Airways deal was found by Cheapflights users on 12/17. 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.
Fri 12/2710:45 amLIS - SEA
2 stops20h 46mBritish Airways
Thu 1/96:50 pmSEA - LIS
1 stop15h 10mBritish Airways
Deal found 12/17$1,087
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:55 amLIS - SEA
2 stops22h 56mMultiple Airlines
Thu 1/97:25 amSEA - LIS
2 stops24h 10mMultiple Airlines
Deal found 12/17$1,250
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:55 amLIS - SEA
2 stops22h 56mScandinavian Airlines
Thu 1/97:30 amSEA - LIS
2 stops24h 05mScandinavian Airlines
Deal found 12/17$1,281
This Turkish Airlines deal was found by Cheapflights users on 12/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/274:00 pmLIS - SEA
2 stops31h 19mTurkish Airlines
Thu 1/97:00 pmSEA - LIS
1 stop31h 35mTurkish Airlines
Deal found 12/17$1,585
This Icelandair deal was found by Cheapflights users on 12/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:55 amLIS - SEA
2 stops42h 05mIcelandair
Thu 1/92:35 pmSEA - LIS
2 stops15h 25mIcelandair
Deal found 12/17$2,350
This Cathay Pacific deal was found by Cheapflights users on 12/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:45 amLIS - SEA
3 stops43h 32mCathay Pacific
Thu 1/96:59 pmSEA - LIS
3 stops43h 26mCathay Pacific
Deal found 12/17$15,818

Find flights from Lisbon to Seattle within your budget

Customize your flight search to find flights from Lisbon to Seattle 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 6/11

4:30 pm-4:00 pm

1 stop31h 30m

Seattle/Tacoma Intl

Tue 6/24

8:20 pm-10:55 pm

1 stop18h 35m

$808

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 6/11

7:30 am-6:33 pm

2 stops19h 03m

Seattle/Tacoma Intl

Tue 6/24

1:45 pm-8:05 am

2 stops34h 20m

$809

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 3/11

10:15 am-11:50 am

3 stops32h 35m

Seattle/Tacoma Intl

Wed 4/2

7:15 am-10:30 am

2 stops19h 15m

$812

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

5:55 am-6:33 pm

2 stops20h 38m

Seattle/Tacoma Intl

Mon 6/16

4:25 pm-11:15 pm

1 stop22h 50m

$833

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 3/22

4:00 pm-6:05 pm

1 stop33h 05m

Seattle/Tacoma Intl

Fri 3/28

8:00 pm-8:55 am

1 stop29h 55m

$835

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 2/7

7:05 am-4:55 pm

1 stop17h 50m

Seattle/Tacoma Intl

Sat 2/15

6:50 pm-5:55 pm

1 stop15h 05m

$836

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

8:40 am-6:33 pm

2 stops17h 53m

Seattle/Tacoma Intl

Mon 6/16

1:45 pm-3:10 pm

2 stops17h 25m

$974

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/2

7:20 am-6:55 pm

3 stops43h 35m

Seattle/Tacoma Intl

Mon 6/16

8:00 pm-10:55 pm

3 stops42h 55m

$15,732

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 2/13

6:30 am-4:55 pm

2 stops18h 25m

$650

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 3/8

11:00 am-10:50 am

3 stops55h 50m

$894

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 11 results
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Compare providers for flights from Lisbon to Seattle

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 Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 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-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Seattle 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-Seattle 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 Seattle

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

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

What is the cheapest month to book a flight from Lisbon to Seattle?

Currently, January is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $238). Flying from Lisbon to Seattle 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 SEA?

Find hourly flight availability from Lisbon to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Lisbon to Seattle by exploring options for tickets in the afternoon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown United Airlines, Delta and British Airways from Lisbon to Seattle. 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
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Cathay Pacific
7.5
Good
841 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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 Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Lisbon to Seattle round-trip?

    Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at $778. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at $786 and $788, respectively. United Airlines is priced at 18% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Lisbon to Seattle one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $650. United Airlines flights start at $894 while deals on Cathay Pacific start at $9,909 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lisbon to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $238). Flying from Lisbon to Seattle 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 Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Portland flights
Porto to Seattle flights

Top 7 airlines flying from Lisbon to Seattle

Discover the top 7 airlines that operate flights from Lisbon to Seattle. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$560Average$718FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$715Average$875FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$745Average$887FlexibilityNo cancel feeOn-time70%
DeltaCheapest$756Average$859FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$774Average$855FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$795Average$974FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$816Average$873FlexibilityNo cancel feeOn-time71%
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