$452+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SEA
Jun 9 — Jun 161
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
Last-minute
One-way
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 May 10, 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 May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Sun 5/2410:15 pm
LIS
- SEA
1 stop26h 55m
Aer Lingus
Mon 6/87:10 pm
SEA
- LIS
1 stop18h 25m
Aer Lingus
Deal found 5/7![Aer Lingus logo]()
$762
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Fri 5/299:15 pm
LIS
- SEA
1 stop24h 30m
Scandinavian Airlines
Fri 6/53:55 pm
SEA
- LIS
1 stop22h 10m
Scandinavian Airlines
Deal found 5/8![Scandinavian Airlines logo]()
$852
This Mytrip deal was found by Cheapflights users on 5/9. 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 6/46:10 am
LIS
- SEA
2 stops35h 30m
Multiple Airlines
Sun 6/145:45 am
SEA
- LIS
3 stops32h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$860
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/16:40 am
LIS
- SEA
1 stop18h 30m
Multiple Airlines
Fri 6/127:10 pm
SEA
- LIS
1 stop17h 40m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$864
This Mytrip deal was found by Cheapflights users on 5/7. 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 5/149:15 pm
LIS
- SEA
3 stops31h 25m
Multiple Airlines
Tue 5/197:00 pm
SEA
- LIS
3 stops33h 00m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$900
This Rumbo deal was found by Cheapflights users on 5/10. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:15 pm
LIS
- SEA
1 stop24h 30m
Scandinavian Airlines
Fri 6/53:55 pm
SEA
- LIS
1 stop22h 10m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$901
This Mytrip deal was found by Cheapflights users on 5/8. 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 6/66:10 am
LIS
- SEA
2 stops35h 30m
Multiple Airlines
Mon 6/2210:45 am
SEA
- LIS
3 stops28h 15m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$934
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/69:50 am
LIS
- SEA
1 stop15h 20m
Multiple Airlines
Mon 6/157:10 pm
SEA
- LIS
1 stop15h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$945
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:40 am
LIS
- SEA
1 stop38h 25m
Turkish Airlines
Sun 11/157:00 pm
SEA
- LIS
1 stop20h 25m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$951
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 May 10, 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 May 10, 2026.
This Lufthansa deal was found by Cheapflights users on 5/5. 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 6/25:05 am
LIS
- SEA
1 stop15h 15m
Lufthansa
Thu 6/116:50 pm
SEA
- LIS
1 stop19h 55m
Lufthansa
Deal found 5/5![Lufthansa logo]()
$999
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 6/25:05 am
LIS
- SEA
1 stop15h 15m
United Airlines
Thu 6/116:50 pm
SEA
- LIS
1 stop19h 55m
United Airlines
Deal found 5/6![United Airlines logo]()
$1,000
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:00 am
LIS
- SEA
1 stop19h 30m
Delta
Sat 6/61:30 pm
SEA
- LIS
1 stop20h 20m
Delta
Deal found 5/10![Delta logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 6/15:05 am
LIS
- SEA
1 stop15h 15m
United Airlines
Thu 6/117:40 am
SEA
- LIS
1 stop16h 40m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,000
This Delta deal was found by Cheapflights users on 5/7. 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.
Sun 5/2411:55 am
LIS
- SEA
2 stops18h 08m
Delta
Mon 6/811:10 am
SEA
- LIS
2 stops19h 45m
Delta
Deal found 5/7![Delta logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 5/8. 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 11/55:00 am
LIS
- SEA
1 stop15h 10m
United Airlines
Mon 11/97:00 am
SEA
- LIS
2 stops17h 10m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,001
This Delta deal was found by Cheapflights users on 5/8. 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 6/65:00 am
LIS
- SEA
2 stops19h 35m
Delta
Mon 6/156:50 pm
SEA
- LIS
1 stop15h 00m
Delta
Deal found 5/8![Delta logo]()
$1,012
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/306:15 am
LIS
- SEA
1 stop18h 44m
United Airlines
Fri 6/1211:20 pm
SEA
- LIS
2 stops25h 00m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,013
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:00 am
LIS
- SEA
2 stops19h 37m
Delta
Fri 6/56:00 am
SEA
- LIS
2 stops20h 55m
Delta
Deal found 5/10![Delta logo]()
$1,020
Last-minute flights from Lisbon to SeattleDiscover last-minute flight deals from Lisbon to Seattle. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Seattle. Data last updated May 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/7. 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 5/149:15 pm
LIS
- SEA
3 stops31h 25m
Multiple Airlines
Tue 5/197:00 pm
SEA
- LIS
3 stops33h 00m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$900
This Rumbo deal was found by Cheapflights users on 5/10. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:15 pm
LIS
- SEA
1 stop24h 30m
Scandinavian Airlines
Fri 6/53:55 pm
SEA
- LIS
1 stop22h 10m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Sun 5/2410:15 pm
LIS
- SEA
1 stop26h 55m
Aer Lingus
Mon 6/87:10 pm
SEA
- LIS
1 stop18h 25m
Aer Lingus
Deal found 5/7![Aer Lingus logo]()
$762
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Fri 5/299:15 pm
LIS
- SEA
1 stop24h 30m
Scandinavian Airlines
Fri 6/53:55 pm
SEA
- LIS
1 stop22h 10m
Scandinavian Airlines
Deal found 5/8![Scandinavian Airlines logo]()
$852
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/16:40 am
LIS
- SEA
1 stop18h 30m
Multiple Airlines
Fri 6/127:10 pm
SEA
- LIS
1 stop17h 40m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$864
This Mytrip deal was found by Cheapflights users on 5/9. 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 6/46:10 am
LIS
- SEA
2 stops35h 30m
Multiple Airlines
Sun 6/145:45 am
SEA
- LIS
3 stops32h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$860
This Mytrip deal was found by Cheapflights users on 5/8. 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 6/66:10 am
LIS
- SEA
2 stops35h 30m
Multiple Airlines
Mon 6/2210:45 am
SEA
- LIS
3 stops28h 15m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$934
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/69:50 am
LIS
- SEA
1 stop15h 20m
Multiple Airlines
Mon 6/157:10 pm
SEA
- LIS
1 stop15h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$945
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 May 10, 2026.
Search for one-way flight options from Lisbon to Seattle. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 6/179:10 pm
LIS
- SEA
3 stops44h 30m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/209:15 pm
LIS
- SEA
3 stops44h 25m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sun 6/215:55 am
LIS
- SEA
3 stops35h 45m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 9/59:15 pm
LIS
- SEA
3 stops50h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/236:30 am
LIS
- SEA
3 stops35h 10m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 8/269:10 pm
LIS
- SEA
3 stops50h 50m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 5/166:10 pm
LIS
- SEA
3 stops56h 35m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/1810:40 am
LIS
- SEA
3 stops40h 05m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$514
This WestJet deal was found by Cheapflights users on 5/7. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:15 am
LIS
- SEA
2 stops44h 30m
WestJet
Deal found 5/7![WestJet logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/66:15 am
LIS
- SEA
3 stops44h 30m
WestJet
Deal found 5/7![WestJet logo]()
$531
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $762 (Kiwi.com) |
One-way from | $452 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $975 |
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 2,558,603 searches. Data last updated May 10, 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 - SEA
LISSEA
Lisbon Humberto Delgado
Tue 6/2
5:05 am-12:20 pm
1 stop15h 15m
Seattle/Tacoma Intl
Thu 6/11
6:50 pm-10:45 pm
1 stop19h 55m
$999
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Tue 6/2
5:05 am-12:20 pm
1 stop15h 15m
Seattle/Tacoma Intl
Thu 6/11
6:50 pm-10:45 pm
1 stop19h 55m
$1,000
Quickest round-trip
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Mon 6/1
5:05 am-12:20 pm
1 stop15h 15m
Seattle/Tacoma Intl
Thu 6/11
7:40 am-8:20 am
1 stop16h 40m
$1,000
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Thu 11/5
5:00 am-12:10 pm
1 stop15h 10m
Seattle/Tacoma Intl
Mon 11/9
7:00 am-8:10 am
2 stops17h 10m
$1,001
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Fri 5/22
5:00 am-4:30 pm
1 stop19h 30m
Seattle/Tacoma Intl
Sat 6/6
1:30 pm-5:50 pm
1 stop20h 20m
$1,008
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Sun 5/24
11:55 am-10:03 pm
2 stops18h 08m
Seattle/Tacoma Intl
Mon 6/8
11:10 am-2:55 pm
2 stops19h 45m
$1,011
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Sat 6/6
5:00 am-4:35 pm
2 stops19h 35m
Seattle/Tacoma Intl
Mon 6/15
6:50 pm-5:50 pm
1 stop15h 00m
$1,012
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Sat 5/30
6:15 am-4:59 pm
1 stop18h 44m
Seattle/Tacoma Intl
Fri 6/12
11:20 pm-8:20 am
2 stops25h 00m
$1,013
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Fri 5/22
5:00 am-4:37 pm
2 stops19h 37m
Seattle/Tacoma Intl
Fri 6/5
6:00 am-10:55 am
2 stops20h 55m
$1,020
Cheapest one-way
LisbonSeattle
LIS - SEA
LISSEA
Lisbon Humberto Delgado
Tue 5/26
6:15 am-6:45 pm
2 stops44h 30m
$523
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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
Prices
Delays
What is the cheapest month to book a flight from Lisbon to Seattle?
Currently, February is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $825). Flying from Lisbon to Seattle in January is currently the most expensive (average of $1,326). 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?
How often are flights from Lisbon to Seattle delayed?
About 50% of weekly flights between Lisbon and Seattle have experienced delays in the past year, with the average delay time being 108 minutes.
What is the most punctual flight time for Lisbon to Seattle flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
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 May 10, 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Kirkland
Issaquah
Shoreline
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Alternative routes for Lisbon to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Lisbon to Seattle by cabin class
Find flights from Lisbon to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Lisbon and Seattle flights
Browse other Lisbon and Seattle flight options. Last updated on May 10, 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 May 10, 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 May 10, 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 2,558,603 searches. Data last updated May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,019 | Average$1,112 | FlexibilityNo cancel fee | On-timeN/A |