$387+ Cheap flights from South Korea 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Find cheap flights from South Korea 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.Cheap flight deals from South Korea to Seattle
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Cheapest flights from South Korea to SeattleExplore the most affordable flight options available from South Korea to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.
Explore the most affordable flight options available from South Korea to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.
This YBTour deal was found by Cheapflights users on 8/3. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:35 pm -
Nonstop10h 05m
Sun 9/201:35 pm -
Nonstop11h 55m
Deal found 8/3![Alaska Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 am -
2 stops20h 22m
Wed 9/164:30 pm -
2 stops19h 50m
Deal found 8/5![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 8/7. 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 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 9/233:30 pm -
1 stop31h 30m
Deal found 8/7![United Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/174:50 pm -
2 stops21h 01m
Wed 10/285:05 am -
2 stops31h 35m
Deal found 8/6![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 8/4. 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 -
2 stops26h 21m
Mon 10/267:06 am -
1 stop17h 09m
Deal found 8/4![United Airlines logo]()
$696
This WhyPayMore deal was found by Cheapflights users on 8/3. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:35 pm -
Nonstop10h 05m
Sun 9/201:35 pm -
Nonstop11h 55m
Deal found 8/3![Alaska Airlines logo]()
$703
This Hanatour deal was found by Cheapflights users on 8/5. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:35 pm -
Nonstop10h 05m
Sun 10/111:35 pm -
Nonstop11h 55m
Deal found 8/5![Alaska Airlines logo]()
$705
This WhyPayMore deal was found by Cheapflights users on 8/7. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:35 pm -
Nonstop10h 05m
Sun 9/271:35 pm -
Nonstop11h 55m
Deal found 8/7![Alaska Airlines logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:35 pm -
Nonstop10h 05m
Sun 10/251:40 pm -
Nonstop11h 55m
Deal found 8/6![Alaska Airlines logo]()
$714
This Bravofly deal was found by Cheapflights users on 8/3. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 am -
1 stop24h 45m
Mon 9/281:15 am -
1 stop18h 00m
Deal found 8/3![China Airlines logo]()
$806
This China Airlines deal was found by Cheapflights users on 8/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:50 am -
1 stop23h 20m
Sun 12/2712:10 am -
1 stop25h 40m
Deal found 8/3![China Airlines logo]()
$846
This China Airlines deal was found by Cheapflights users on 8/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:50 pm -
1 stop15h 20m
Sun 12/2712:10 am -
1 stop17h 40m
Deal found 8/6![China Airlines logo]()
$856
Best flights from South Korea to SeattleDiscover carefully curated flight deals from South Korea to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
Discover carefully curated flight deals from South Korea to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/104:50 pm -
2 stops21h 01m
Wed 9/239:00 am -
1 stop38h 00m
Deal found 8/6![United Airlines logo]()
$691
This Korean Air deal was found by Cheapflights users on 8/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:40 pm -
Nonstop10h 00m
Wed 9/231:00 pm -
Nonstop11h 50m
Deal found 8/7![Korean Air logo]()
$831
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:40 pm -
Nonstop10h 00m
Mon 10/267:16 am -
1 stop18h 24m
Deal found 8/6![Delta logo]()
$831
This China Airlines deal was found by Cheapflights users on 8/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:50 am -
1 stop23h 20m
Sun 12/2712:10 am -
1 stop25h 40m
Deal found 8/3![China Airlines logo]()
$849
This Asiana Airlines deal was found by Cheapflights users on 8/6. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:20 pm -
Nonstop9h 55m
Sun 10/2512:10 am -
Nonstop12h 10m
Deal found 8/6![Asiana Airlines logo]()
$866
This EVA Air deal was found by Cheapflights users on 8/5. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:10 pm -
1 stop15h 50m
Thu 9/1712:30 am -
1 stop17h 15m
Deal found 8/5![EVA Air logo]()
$1,007
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:40 pm -
2 stops21h 52m
Mon 10/2610:10 am -
2 stops20h 20m
Deal found 8/5![ANA logo]()
$1,176
This YBTour deal was found by Cheapflights users on 8/6. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
2 stops23h 58m
Wed 9/237:10 am -
2 stops22h 05m
Deal found 8/6![Japan Airlines logo]()
$1,212
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 9/1611:30 am -
2 stops26h 21m
Mon 10/267:06 am -
1 stop17h 09m
Deal found 8/6![United Airlines logo]()
$702
This Gotogate deal was found by Cheapflights users on 8/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:25 pm -
2 stops24h 17m
Sun 9/2010:50 am -
2 stops19h 35m
Deal found 8/2![Multiple Airlines logo]()
$1,488
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2211:30 am -
1 stop15h 51m
Tue 10/63:55 pm -
2 stops31h 05m
Deal found 8/6![United Airlines logo]()
$770
This China Airlines deal was found by Cheapflights users on 8/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 am -
1 stop24h 45m
Mon 9/281:15 am -
1 stop25h 45m
Deal found 8/3![China Airlines logo]()
$850
This China Airlines deal was found by Cheapflights users on 8/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:35 pm -
1 stop22h 40m
Sun 9/271:15 am -
1 stop26h 20m
Deal found 8/4![China Airlines logo]()
$851
This Korean Air deal was found by Cheapflights users on 8/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:25 am -
1 stop15h 35m
Tue 12/291:00 pm -
1 stop14h 45m
Deal found 8/6![Korean Air logo]()
$942
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:30 am -
1 stop27h 56m
Tue 8/254:45 pm -
2 stops30h 15m
Deal found 8/5![United Airlines logo]()
$803
This EVA Air deal was found by Cheapflights users on 8/3. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:55 pm -
1 stop16h 15m
Fri 11/1312:10 am -
1 stop24h 30m
Deal found 8/3![EVA Air logo]()
$1,012
This China Airlines deal was found by Cheapflights users on 8/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:30 am -
1 stop24h 45m
Sun 10/181:15 am -
1 stop18h 00m
Deal found 8/6![China Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:30 am -
2 stops20h 15m
Wed 9/23:54 pm -
2 stops20h 26m
Deal found 8/3![United Airlines logo]()
$865
This Gotogate deal was found by Cheapflights users on 8/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:40 pm -
1 stop17h 45m
Wed 9/24:30 pm -
1 stop34h 05m
Deal found 8/3![ANA logo]()
$1,189
This China Airlines deal was found by Cheapflights users on 8/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:30 am -
1 stop24h 45m
Sun 11/812:10 am -
1 stop17h 40m
Deal found 8/2![China Airlines logo]()
$952
This Japan Airlines deal was found by Cheapflights users on 8/4. 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 8/278:00 am -
2 stops24h 07m
Fri 9/117:10 am -
2 stops22h 05m
Deal found 8/4![Japan Airlines logo]()
$1,321
This China Airlines deal was found by Cheapflights users on 8/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:30 am -
1 stop24h 45m
Mon 10/261:10 am -
1 stop25h 40m
Deal found 8/5![China Airlines logo]()
$960
This ANA deal was found by Cheapflights users on 8/2. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:40 pm -
1 stop17h 45m
Sun 9/207:00 am -
2 stops23h 20m
Deal found 8/2![ANA logo]()
$1,287
This China Airlines deal was found by Cheapflights users on 8/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:30 am -
1 stop25h 15m
Thu 10/291:10 am -
1 stop25h 40m
Deal found 8/6![China Airlines logo]()
$963
This Japan Airlines deal was found by Cheapflights users on 8/6. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:05 pm -
1 stop14h 45m
Wed 12/2311:50 am -
1 stop17h 15m
Deal found 8/6![Japan Airlines logo]()
$1,415
This China Airlines deal was found by Cheapflights users on 8/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:50 am -
1 stop23h 20m
Mon 12/2812:10 am -
1 stop25h 40m
Deal found 8/6![China Airlines logo]()
$963
This Japan Airlines deal was found by Cheapflights users on 8/6. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:05 pm -
1 stop14h 45m
Wed 1/611:55 am -
1 stop30h 00m
Deal found 8/6![Japan Airlines logo]()
$1,415
This Japan Airlines deal was found by Cheapflights users on 8/3. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:00 am -
2 stops26h 13m
Mon 11/98:51 am -
2 stops20h 14m
Deal found 8/3![Japan Airlines logo]()
$1,455
This Japan Airlines deal was found by Cheapflights users on 8/6. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
2 stops23h 58m
Fri 10/306:39 am -
2 stops23h 26m
Deal found 8/6![Japan Airlines logo]()
$1,490
This Japan Airlines deal was found by Cheapflights users on 8/6. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
2 stops23h 58m
Mon 10/266:39 am -
2 stops23h 26m
Deal found 8/6![Japan Airlines logo]()
$1,499
Last-minute flights from South Korea to SeattleDiscover last-minute flight deals from South Korea to Seattle. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from South Korea to Seattle. Data last updated August 7, 2026 and is based on user searches.
This China Airlines deal was found by Cheapflights users on 8/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:30 am -
1 stop25h 15m
Thu 10/291:10 am -
1 stop25h 40m
Deal found 8/6![China Airlines logo]()
$963
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:30 am -
1 stop25h 15m
Fri 10/307:57 pm -
2 stops22h 53m
Deal found 8/6![Multiple Airlines logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 am -
2 stops20h 22m
Wed 9/164:30 pm -
2 stops19h 50m
Deal found 8/5![United Airlines logo]()
$689
This WhyPayMore deal was found by Cheapflights users on 8/3. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:35 pm -
Nonstop10h 05m
Sun 9/201:35 pm -
Nonstop11h 55m
Deal found 8/3![Alaska Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:50 pm -
2 stops21h 01m
Wed 9/239:00 am -
1 stop38h 00m
Deal found 8/7![United Airlines logo]()
$690
This Flightnetwork deal was found by Cheapflights users on 8/7. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:35 pm -
Nonstop10h 05m
Wed 9/231:35 pm -
Nonstop11h 55m
Deal found 8/7![Alaska Airlines logo]()
$717
This YBTour deal was found by Cheapflights users on 8/3. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:35 pm -
Nonstop10h 05m
Sun 9/201:35 pm -
Nonstop11h 55m
Deal found 8/3![Alaska Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/4. 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 -
2 stops26h 21m
Mon 10/267:06 am -
1 stop17h 09m
Deal found 8/4![United Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/174:50 pm -
1 stop17h 39m
Mon 10/264:39 pm -
2 stops31h 36m
Deal found 8/6![United Airlines logo]()
$691
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:35 pm -
Nonstop10h 05m
Sun 10/251:40 pm -
Nonstop11h 55m
Deal found 8/6![Alaska Airlines logo]()
$714
This WhyPayMore deal was found by Cheapflights users on 8/7. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:35 pm -
Nonstop10h 05m
Sun 9/271:35 pm -
Nonstop11h 55m
Deal found 8/7![Alaska Airlines logo]()
$713
This Bravofly deal was found by Cheapflights users on 8/3. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 am -
1 stop24h 45m
Mon 9/281:15 am -
1 stop18h 00m
Deal found 8/3![China Airlines logo]()
$806
One-way flights from South Korea to SeattleSearch for one-way flight options from South Korea to Seattle. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from South Korea to Seattle. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Hanatour deal was found by Cheapflights users on 8/6. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:45 pm -
1 stop20h 57m
Deal found 8/6![Air Canada logo]()
$387
This CheapOair deal was found by Cheapflights users on 8/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:45 pm -
1 stop16h 47m
Deal found 8/7![Air Canada logo]()
$390
This Justfly.com deal was found by Cheapflights users on 8/4. 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.
Fri 10/29:20 pm -
Nonstop9h 55m
Deal found 8/4![Asiana Airlines logo]()
$410
This Justfly.com deal was found by Cheapflights users on 8/5. 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.
Mon 10/59:20 pm -
Nonstop9h 55m
Deal found 8/5![Asiana Airlines logo]()
$413
This FlightHub deal was found by Cheapflights users on 8/7. 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 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 8/7![Asiana Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/19:20 pm -
Nonstop9h 55m
Deal found 8/4![Asiana Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/69:20 pm -
Nonstop9h 55m
Deal found 8/4![Asiana Airlines logo]()
$420
This Air Canada deal was found by Cheapflights users on 8/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 pm -
1 stop32h 07m
Deal found 8/6![Air Canada logo]()
$423
This SmartFares deal was found by Cheapflights users on 8/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:50 am -
1 stop23h 20m
Deal found 8/5![China Airlines logo]()
$511
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:30 am -
1 stop25h 15m
Deal found 8/4![China Airlines logo]()
$515
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:50 am -
1 stop23h 20m
Deal found 8/5![China Airlines logo]()
$522
This Flightnetwork deal was found by Cheapflights users on 8/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:15 pm -
1 stop23h 00m
Deal found 8/4![China Airlines logo]()
$523
Find flight deals from South Korea to Seattle
Keep the following information in mind while searching for South Korea to Seattle flight deals. Data was last updated August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (YBTour) |
One-way from | $387 (Hanatour) |
Popular in | June |
Cheapest in | November |
Average price | $1,036 |
Good round-trip deal | $834 or less |
Good one-way deal | $714 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from South Korea 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 August 7, 2026.
Use the filters below to find and compare flights from South Korea 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
4:50 pm-9:51 pm
2 stops21h 01m
Seattle/Tacoma Intl
Wed 9/23
9:00 am-3:00 pm
1 stop38h 00m
$691
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 9/16
11:30 am-9:51 pm
2 stops26h 21m
Seattle/Tacoma Intl
Mon 10/26
7:06 am-4:15 pm
1 stop17h 09m
$702
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Tue 9/22
11:30 am-11:21 am
1 stop15h 51m
Seattle/Tacoma Intl
Tue 10/6
3:55 pm-3:00 pm
2 stops31h 05m
$770
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 8/20
11:30 am-11:26 pm
1 stop27h 56m
Seattle/Tacoma Intl
Tue 8/25
4:45 pm-3:00 pm
2 stops30h 15m
$803
Quickest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 9/9
4:40 pm-10:40 am
Nonstop10h 00m
Seattle/Tacoma Intl
Wed 9/23
1:00 pm-4:50 pm
Nonstop11h 50m
$831
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
7:16 am-5:40 pm
1 stop18h 24m
$831
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Mon 11/23
11:50 am-6:10 pm
1 stop23h 20m
Seattle/Tacoma Intl
Sun 12/27
12:10 am-6:50 pm
1 stop25h 40m
$849
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Tue 9/22
10:30 am-7:15 pm
1 stop24h 45m
Seattle/Tacoma Intl
Mon 9/28
1:15 am-7:00 pm
1 stop25h 45m
$850
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Mon 9/21
12:35 pm-7:15 pm
1 stop22h 40m
Seattle/Tacoma Intl
Sun 9/27
1:15 am-7:35 pm
1 stop26h 20m
$851
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 8/27
11:30 am-3:45 pm
2 stops20h 15m
Seattle/Tacoma Intl
Wed 9/2
3:54 pm-4:20 am
2 stops20h 26m
$865
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from South Korea to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from South Korea with our price prediction graph.
ICN-SEA
PUS-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 South Korea to Seattle
KR0-SEA
ICN-SEA
PUS-SEA
GMP-SEA
What is the cheapest month to book a flight from South Korea to Seattle?
Currently, November is the cheapest month in which you can book a flight from South Korea to Seattle (average of $551). Flying from South Korea to Seattle in June is currently the most expensive (average of $1,111). 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 KR to SEA?
Find hourly flight availability from South Korea 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 7, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Seattle as you normally would.
Weekly flight availability from South Korea to Seattle
Explore weekly flight availability from South Korea 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 7, 2026.
The most flights from KR0 to SEA are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from South Korea to Seattle delayed?
About 23% of weekly flights between South Korea and Seattle have experienced delays in the past year, with the average delay time being 157 minutes.
What is the most punctual flight time for South Korea to Seattle flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on South Korea to Seattle flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
How far ahead should I book a flight from South Korea to Seattle?
The best time to book flights from South Korea to Seattle is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 7, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andAlaska Airlines from South Korea to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from South Korea 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
Tumwater
Centralia
Marysville
Puyallup
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Lynnwood
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 South Korea 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 South Korea to Seattle by cabin class
Find flights from South Korea to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Korea and Seattle flights
Browse other South Korea and Seattle flight options. Last updated on August 7, 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 7, 2026.
Top 6 airlines flying from South Korea to Seattle
Discover the top 6 airlines that operate flights from South Korea 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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$866 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$464 | Average$744 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$472 | Average$518 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$476 | Average$714 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$484 | Average$732 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$613 | FlexibilityNo cancel fee | On-time76% |