$346+ Cheap flights from Lisbon (LIS) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SEA
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Lisbon to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Lisbon to Seattle
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Best
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Cheapest flights from Lisbon to SeattleExplore 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 September 4, 2026.
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 September 4, 2026.
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:10 pm -
2 stops28h 50m
Wed 10/215:40 pm -
3 stops33h 05m
Deal found 8/30![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:45 pm -
3 stops32h 55m
Wed 10/147:00 pm -
3 stops27h 50m
Deal found 8/31![Multiple Airlines logo]()
$768
This Rumbo deal was found by Cheapflights users on 9/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:15 pm -
1 stop26h 55m
Sat 10/107:10 pm -
1 stop18h 25m
Deal found 9/2![Aer Lingus logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am -
2 stops35h 30m
Thu 10/157:10 pm -
1 stop30h 15m
Deal found 9/3![Multiple Airlines logo]()
$788
This Rumbo deal was found by Cheapflights users on 9/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 pm -
1 stop26h 55m
Sat 10/37:10 pm -
1 stop18h 25m
Deal found 9/2![Aer Lingus logo]()
$826
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:15 pm -
2 stops26h 45m
Sun 11/13:15 pm -
3 stops33h 15m
Deal found 9/3![Multiple Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:40 am -
2 stops22h 00m
Thu 10/227:00 pm -
2 stops17h 00m
Deal found 8/31![Multiple Airlines logo]()
$836
Best flights from Lisbon to SeattleDiscover carefully curated flight deals from Lisbon to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Lisbon to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am -
1 stop19h 35m
Wed 10/147:15 am -
2 stops20h 00m
Deal found 8/31![Delta logo]()
$896
This KLM deal was found by Cheapflights users on 9/1. 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.
Mon 9/215:00 am -
1 stop19h 35m
Wed 10/146:40 pm -
1 stop15h 10m
Deal found 9/1![Multiple Airlines logo]()
$897
This Virgin Atlantic deal was found by Cheapflights users on 9/1. 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 10/2210:00 am -
2 stops21h 56m
Sun 10/256:00 am -
2 stops19h 55m
Deal found 9/1![Virgin Atlantic logo]()
$925
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop19h 35m
Wed 10/146:40 pm -
1 stop15h 10m
Deal found 8/31![Delta logo]()
$896
This KLM deal was found by Cheapflights users on 9/1. 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 10/225:00 am -
1 stop14h 52m
Sun 10/254:20 pm -
1 stop18h 10m
Deal found 9/1![Multiple Airlines logo]()
$898
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 9/225:00 am -
1 stop14h 47m
Fri 10/26:40 pm -
1 stop15h 10m
Deal found 9/3![Delta logo]()
$897
This Delta deal was found by Cheapflights users on 9/2. 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 9/255:00 am -
1 stop14h 47m
Sat 10/1011:50 am -
2 stops19h 05m
Deal found 9/2![Delta logo]()
$898
This Delta deal was found by Cheapflights users on 9/2. 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 1/75:00 am -
1 stop14h 50m
Mon 1/113:25 pm -
1 stop18h 05m
Deal found 9/2![Delta logo]()
$898
This Delta deal was found by Cheapflights users on 9/2. 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 9/1811:55 am -
2 stops20h 04m
Wed 9/307:15 am -
2 stops19h 40m
Deal found 9/2![Delta logo]()
$909
Last-minute flights from Lisbon to SeattleDiscover last-minute flight deals from Lisbon to Seattle. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Seattle. Data last updated September 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am -
2 stops35h 30m
Thu 10/157:10 pm -
1 stop30h 15m
Deal found 9/3![Multiple Airlines logo]()
$788
This Rumbo deal was found by Cheapflights users on 9/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 pm -
1 stop26h 55m
Sat 10/37:10 pm -
1 stop18h 25m
Deal found 9/2![Aer Lingus logo]()
$826
This Rumbo deal was found by Cheapflights users on 9/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:15 pm -
1 stop26h 55m
Sat 10/107:10 pm -
1 stop18h 25m
Deal found 9/2![Aer Lingus logo]()
$783
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:45 pm -
3 stops32h 55m
Wed 10/147:00 pm -
3 stops27h 50m
Deal found 8/31![Multiple Airlines logo]()
$768
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:10 pm -
2 stops28h 50m
Wed 10/215:40 pm -
3 stops33h 05m
Deal found 8/30![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:40 am -
2 stops22h 00m
Thu 10/227:00 pm -
2 stops17h 00m
Deal found 8/31![Multiple Airlines logo]()
$836
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:15 pm -
2 stops26h 45m
Sun 11/13:15 pm -
3 stops33h 15m
Deal found 9/3![Multiple Airlines logo]()
$829
One-way flights from Lisbon to SeattleSearch for one-way flight options from Lisbon to Seattle. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Lisbon to Seattle. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am -
3 stops44h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![WestJet logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![WestJet logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 am -
3 stops35h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 pm -
3 stops49h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:50 pm -
3 stops48h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am -
3 stops59h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:35 pm -
2 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$474
Find 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $763 (Mytrip) |
One-way from | $346 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $1,007 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Lisbon to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Wed 10/21
5:55 am-5:55 pm
2 stops44h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$494
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Fri 10/23
6:35 am-6:45 pm
3 stops44h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$523
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Tue 9/29
10:00 pm-6:45 pm
3 stops52h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$537
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Fri 10/16
6:50 am-8:40 pm
3 stops45h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$603
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Fri 11/20
11:05 am-10:31 pm
1 stop19h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$668
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Wed 11/4
11:05 am-9:59 pm
1 stop18h 54m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$672
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Thu 10/22
4:30 pm-11:35 am
1 stop27h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$677
Quickest round-trip
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Mon 11/2
10:40 am-4:50 pm
1 stop14h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$678
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Fri 10/23
11:05 am-11:35 am
1 stop32h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$678
LisbonSeattle
LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl
LISSEA
Lisbon Humberto Delgado
Wed 9/16
5:00 am-4:35 pm
1 stop19h 35m
Seattle/Tacoma Intl
Wed 10/14
7:15 am-11:15 am
2 stops20h 00m
$896
Showing 1-10 of 18 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
LIS-SEA
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 Seattle
What is the cheapest month to book a flight from Lisbon to Seattle?
Currently, December is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $880). Flying from Lisbon to Seattle in July is currently the most expensive (average of $1,382). 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.
How much does it cost to fly round-trip from Lisbon to Seattle?
Airfare is below average for this route at the moment.
Lisbon to Seattle flights typically cost between $976 and $1,493 in October.The cheapest round-trip price found within the last 5 days was $763 on Multiple Airlines (Oct 14-Oct 21).
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 September 4, 2026.
Read through reviews of airlines operating flights from Lisbon to Seattle, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Entertainment
7.8
Food
7.2
Overall
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Lisbon and Seattle flights
Browse other Lisbon and Seattle flight options. Last updated on September 4, 2026.
Other flights from Lisbon
Browse through other flights departing from Lisbon. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Top airline flying from Lisbon to Seattle
Discover the top airline 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$973 | Average$1,148 | FlexibilityNo cancel fee | On-timeN/A |