$394+ Cheap flights from Seoul (SEL) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SEA
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Seoul 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seoul to Seattle/Tacoma Intl are usually found in November or December, booked 8 days in advance, depart on a Monday or Thursday and return on a Wednesday
Cheap flight deals from Seoul to Seattle
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Cheapest flights from Seoul to SeattleExplore the most affordable flight options available from Seoul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Seoul to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:55 pm -
1 stop12h 42m
Tue 12/297:05 pm -
1 stop29h 05m
Deal found 8/21![Air Canada logo]()
$633
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 pm -
1 stop16h 47m
Mon 10/268:40 am -
1 stop15h 30m
Deal found 8/21![Air Canada logo]()
$640
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 pm -
1 stop21h 02m
Tue 10/278:40 am -
1 stop15h 30m
Deal found 8/21![Air Canada logo]()
$641
This Air Canada deal was found by Cheapflights users on 8/23. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:55 pm -
1 stop16h 27m
Wed 1/137:05 pm -
1 stop29h 05m
Deal found 8/23![Air Canada logo]()
$644
This Air Canada deal was found by Cheapflights users on 8/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 pm -
1 stop12h 32m
Thu 5/65:40 am -
1 stop18h 25m
Deal found 8/22![Air Canada logo]()
$645
This Expedia deal was found by Cheapflights users on 8/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:35 pm -
2 stops34h 47m
Mon 10/268:40 am -
1 stop15h 30m
Deal found 8/21![Air Canada logo]()
$647
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:55 pm -
1 stop12h 42m
Tue 1/267:05 pm -
2 stops24h 40m
Deal found 8/21![Multiple Airlines logo]()
$657
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:55 pm -
1 stop12h 42m
Wed 1/137:05 pm -
2 stops24h 40m
Deal found 8/21![Multiple Airlines logo]()
$658
This Booking.com deal was found by Cheapflights users on 8/22. 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.
Wed 12/236:55 pm -
1 stop16h 27m
Sun 1/247:05 pm -
2 stops24h 40m
Deal found 8/22![Multiple Airlines logo]()
$670
This WhyPayMore deal was found by Cheapflights users on 8/23. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:05 pm -
2 stops37h 17m
Sun 11/227:05 pm -
1 stop29h 05m
Deal found 8/23![Multiple Airlines logo]()
$673
This WhyPayMore deal was found by Cheapflights users on 8/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 pm -
2 stops37h 52m
Sun 9/203:00 pm -
1 stop33h 05m
Deal found 8/22![Multiple Airlines logo]()
$674
This FlightHub deal was found by Cheapflights users on 8/19. 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 10/161:50 pm -
1 stop21h 30m
Thu 10/291:10 am -
1 stop19h 40m
Deal found 8/19![EVA Air logo]()
$1,006
Best flights from Seoul to SeattleDiscover carefully curated flight deals from Seoul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Seoul to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/1011:30 am -
1 stop20h 44m
Wed 9/235:20 pm -
1 stop19h 00m
Deal found 8/21![United Airlines logo]()
$707
This Philippine Airlines deal was found by Cheapflights users on 8/23. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/108:30 pm -
1 stop39h 00m
Sun 2/149:30 pm -
1 stop21h 30m
Deal found 8/23![Philippine Airlines logo]()
$771
This Korean Air deal was found by Cheapflights users on 8/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:40 pm -
Nonstop10h 00m
Tue 12/112:35 pm -
Nonstop12h 15m
Deal found 8/20![Korean Air logo]()
$838
This Gotogate deal was found by Cheapflights users on 8/21. 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.
Thu 9/107:40 am -
2 stops26h 52m
Wed 9/234:30 pm -
1 stop26h 35m
Deal found 8/21![ANA logo]()
$1,173
This Japan Airlines deal was found by Cheapflights users on 8/21. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
2 stops47h 57m
Mon 9/147:10 am -
2 stops22h 05m
Deal found 8/21![Japan Airlines logo]()
$1,368
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/2811:45 am -
1 stop18h 54m
Wed 11/257:00 am -
1 stop16h 15m
Deal found 8/23![United Airlines logo]()
$708
This Philippine Airlines deal was found by Cheapflights users on 8/23. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/138:30 pm -
1 stop39h 00m
Wed 2/109:30 pm -
1 stop28h 40m
Deal found 8/23![Philippine Airlines logo]()
$815
This Korean Air deal was found by Cheapflights users on 8/22. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:40 pm -
Nonstop10h 00m
Mon 10/2612:00 pm -
Nonstop11h 55m
Deal found 8/22![Korean Air logo]()
$848
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/211:30 am -
1 stop23h 14m
Mon 10/56:05 pm -
2 stops28h 55m
Deal found 8/20![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/114:50 pm -
1 stop15h 24m
Sun 9/139:00 am -
1 stop27h 20m
Deal found 8/19![United Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 11/86:00 pm -
2 stops32h 47m
Fri 4/166:57 am -
1 stop29h 23m
Deal found 8/19![United Airlines logo]()
$835
This Gotogate deal was found by Cheapflights users on 8/22. 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.
Tue 10/612:40 pm -
2 stops21h 52m
Tue 10/134:30 pm -
1 stop26h 35m
Deal found 8/22![ANA logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/168:25 am -
2 stops26h 49m
Mon 10/2612:20 pm -
2 stops24h 20m
Deal found 8/23![United Airlines logo]()
$858
This FlightHub deal was found by Cheapflights users on 8/23. 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.
Thu 1/1412:25 pm -
2 stops22h 57m
Fri 2/123:45 pm -
1 stop33h 50m
Deal found 8/23![ANA logo]()
$1,187
This Japan Airlines deal was found by Cheapflights users on 8/23. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
2 stops23h 58m
Fri 9/187:10 am -
2 stops22h 05m
Deal found 8/23![Japan Airlines logo]()
$1,397
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:40 am -
1 stop22h 45m
Mon 10/2610:10 am -
2 stops20h 20m
Deal found 8/19![ANA logo]()
$1,190
This lastminute.com deal was found by Cheapflights users on 8/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:15 pm -
1 stop31h 20m
Wed 9/231:15 pm -
1 stop29h 25m
Deal found 8/21![Japan Airlines logo]()
$1,427
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:25 pm -
1 stop17h 55m
Fri 11/63:40 pm -
1 stop26h 40m
Deal found 8/21![ANA logo]()
$1,290
This Gotogate deal was found by Cheapflights users on 8/22. 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 10/312:40 pm -
2 stops21h 52m
Sun 10/44:30 pm -
1 stop26h 35m
Deal found 8/22![ANA logo]()
$1,292
Last-minute flights from Seoul to SeattleDiscover last-minute flight deals from Seoul to Seattle. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Seattle. Data last updated August 23, 2026 and is based on user searches.
This WhyPayMore deal was found by Cheapflights users on 8/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 pm -
2 stops37h 52m
Sun 9/203:00 pm -
1 stop33h 05m
Deal found 8/22![Multiple Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/911:30 am -
1 stop15h 51m
Sun 9/207:00 am -
1 stop29h 20m
Deal found 8/19![United Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/911:30 am -
1 stop15h 51m
Sun 9/135:20 pm -
1 stop29h 40m
Deal found 8/23![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/1011:30 am -
1 stop20h 44m
Wed 9/235:20 pm -
1 stop19h 00m
Deal found 8/22![United Airlines logo]()
$704
This lol.travel deal was found by Cheapflights users on 8/22. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:40 am -
1 stop22h 45m
Wed 9/234:30 pm -
1 stop26h 35m
Deal found 8/22![ANA logo]()
$1,134
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 pm -
1 stop16h 47m
Mon 10/268:40 am -
1 stop15h 30m
Deal found 8/21![Air Canada logo]()
$640
This Air Canada deal was found by Cheapflights users on 8/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 pm -
1 stop12h 32m
Thu 5/65:40 am -
1 stop18h 25m
Deal found 8/22![Air Canada logo]()
$645
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/1611:30 am -
1 stop18h 54m
Mon 10/267:35 pm -
1 stop17h 05m
Deal found 8/19![United Airlines logo]()
$703
This CheapOair deal was found by Cheapflights users on 8/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:55 am -
2 stops24h 10m
Thu 9/245:50 am -
1 stop18h 15m
Deal found 8/20![Multiple Airlines logo]()
$737
This Gotogate deal was found by Cheapflights users on 8/20. 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.
Wed 9/237:40 am -
2 stops26h 52m
Thu 9/244:30 pm -
1 stop34h 05m
Deal found 8/20![ANA logo]()
$1,163
This Gotogate deal was found by Cheapflights users on 8/20. 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.
Wed 9/237:40 am -
2 stops26h 52m
Thu 10/84:30 pm -
1 stop26h 35m
Deal found 8/20![ANA logo]()
$1,176
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Thu 9/2412:40 pm -
2 stops21h 52m
Thu 10/84:30 pm -
1 stop26h 35m
Deal found 8/19![ANA logo]()
$1,177
One-way flights from Seoul to SeattleSearch for one-way flight options from Seoul to Seattle. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Seoul to Seattle. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 pm -
1 stop21h 02m
Deal found 8/19![Air Canada logo]()
$394
This Orbitz deal was found by Cheapflights users on 8/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 pm -
1 stop16h 47m
Deal found 8/21![Air Canada logo]()
$399
This Travelocity deal was found by Cheapflights users on 8/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:55 am -
2 stops27h 37m
Deal found 8/20![Multiple Airlines logo]()
$400
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:45 am -
2 stops28h 02m
Deal found 8/22![Multiple Airlines logo]()
$413
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Mon 10/199:20 pm -
Nonstop9h 55m
Deal found 8/19![Asiana Airlines logo]()
$418
This SmartFares deal was found by Cheapflights users on 8/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:00 pm -
Nonstop9h 55m
Deal found 8/19![Asiana Airlines logo]()
$420
This Goibibo deal was found by Cheapflights users on 8/22. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:20 pm -
Nonstop9h 55m
Deal found 8/22![Asiana Airlines logo]()
$428
This OneTravel deal was found by Cheapflights users on 8/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:40 pm -
2 stops20h 42m
Deal found 8/19![Multiple Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/178:30 pm -
1 stop39h 00m
Deal found 8/23![Philippine Airlines logo]()
$431
This Air Canada deal was found by Cheapflights users on 8/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:45 pm -
1 stop32h 20m
Deal found 8/21![Air Canada logo]()
$432
This Goibibo deal was found by Cheapflights users on 8/22. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:40 am -
2 stops19h 42m
Deal found 8/22![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/27:20 pm -
2 stops36h 50m
Deal found 8/21![Multiple Airlines logo]()
$534
Find flight deals from Seoul to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $633 (Air Canada) |
One-way from | $394 (Expedia) |
Popular in | June |
Cheapest in | November |
Average price | $1,032 |
Good round-trip deal | $881 or less |
Good one-way deal | $735 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul 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 August 23, 2026.
Use the filters below to find and compare flights from Seoul to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 9/10
11:30 am-4:14 pm
1 stop20h 44m
Seattle/Tacoma Intl
Wed 9/23
5:20 pm-4:20 am
1 stop19h 00m
$707
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 10/28
11:45 am-2:39 pm
1 stop18h 54m
Seattle/Tacoma Intl
Wed 11/25
7:00 am-4:15 pm
1 stop16h 15m
$708
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sun 1/10
8:30 pm-6:30 pm
1 stop39h 00m
Seattle/Tacoma Intl
Sun 2/14
9:30 pm-12:00 pm
1 stop21h 30m
$771
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 1/13
8:30 pm-6:30 pm
1 stop39h 00m
Seattle/Tacoma Intl
Wed 2/10
9:30 pm-7:10 pm
1 stop28h 40m
$815
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 10/2
11:30 am-6:44 pm
1 stop23h 14m
Seattle/Tacoma Intl
Mon 10/5
6:05 pm-3:00 pm
2 stops28h 55m
$821
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 9/11
4:50 pm-4:14 pm
1 stop15h 24m
Seattle/Tacoma Intl
Sun 9/13
9:00 am-4:20 am
1 stop27h 20m
$822
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sun 11/8
6:00 pm-9:47 am
2 stops32h 47m
Seattle/Tacoma Intl
Fri 4/16
6:57 am-4:20 am
1 stop29h 23m
$835
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 10/15
4:40 pm-10:40 am
Nonstop10h 00m
Seattle/Tacoma Intl
Tue 12/1
12:35 pm-5:50 pm
Nonstop12h 15m
$838
Quickest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 9/16
4:40 pm-10:40 am
Nonstop10h 00m
Seattle/Tacoma Intl
Mon 10/26
12:00 pm-3:55 pm
Nonstop11h 55m
$848
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 9/16
8:25 am-7:14 pm
2 stops26h 49m
Seattle/Tacoma Intl
Mon 10/26
12:20 pm-4:40 am
2 stops24h 20m
$858
Showing 1-10 of 39 resultsSorted by cheapest first
Compare providers for flights from Seoul 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 Seoul to Seattle in August.
| 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 | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seoul-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-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 Seoul-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 Seoul to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Seoul with our price prediction graph.
SEL-SEA
ICN-SEA
GMP-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 Seoul to Seattle
SEL-SEA
ICN-SEA
GMP-SEA
What is the cheapest month to book a flight from Seoul to Seattle?
Currently, November is the cheapest month in which you can book a flight from Seoul to Seattle (average of $555). Flying from Seoul to Seattle in June is currently the most expensive (average of $1,104). 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 SEL to SEA?
Find hourly flight availability from Seoul 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 August 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Seattle as you normally would.
Weekly flight availability from Seoul to Seattle
Explore weekly flight availability from Seoul to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 23, 2026.
The most flights from SEL to SEA are scheduled on a Friday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Seoul to Seattle?
Airfare is below average for this route at the moment.
Seoul to Seattle flights typically cost between $688 and $1,066 in December.The cheapest round-trip price found within the last 5 days was $633 on Air Canada (Dec 19-Dec 29).
What’s the top layover airport for flights from Seoul to Seattle?
Share of 1-stop round-trip flights from Seoul to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 85% of 1-stop itineraries from Seoul to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Seoul to Seattle?
Average round-trip fare for 1-stop flights from Seoul to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Vancouver (YVR) is the most affordable 1-stop option, with an average round-trip price of $569.
What’s the fastest layover option from Seoul to Seattle?
Shortest average travel time for 1-stop one-way flights from Seoul to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for 1-stop routes: 14h 10m.
Which airport typically offers the quickest layover for flights from Seoul to Seattle?
Average layover duration for 1-stop one-way flights from Seoul to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 2h 06m.
How often are flights from Seoul to Seattle delayed?
About 0% of weekly flights between Seoul and Seattle have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Seoul to Seattle flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
How far ahead should I book a flight from Seoul to Seattle?
To ensure you get the cheapest price possible for a flight from Seoul to Seattle, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 23, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andAlaska Airlines from Seoul to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Crew
8.7
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Seoul 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
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Kent
Marysville
Ellensburg
Ocean Shores
Lakewood
Fife
Poulsbo
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Seoul to Seattle
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Complete your trip
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Search flights from Seoul to Seattle by cabin class
Find flights from Seoul to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seoul and Seattle flights
Browse other Seoul and Seattle flight options. Last updated on August 23, 2026.
Other flights from Seoul
Browse through other flights departing from Seoul. Flights are based on user searches made on Cheapflights and were last updated on August 23, 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 August 23, 2026.
Top 6 airlines flying from Seoul to Seattle
Discover the top 6 airlines that operate flights from Seoul 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 August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$866 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$449 | Average$745 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$472 | Average$518 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$476 | Average$714 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$485 | Average$739 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$636 | FlexibilityNo cancel fee | On-time76% |