$463+ Cheap flights from South Korea to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Find cheap flights from South Korea to Washington 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 South Korea to Washington
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Cheapest flights from South Korea to WashingtonExplore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This YBTour deal was found by Cheapflights users on 9/21. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm -
Nonstop9h 55m
Sun 11/2912:40 pm -
Nonstop11h 55m
Deal found 9/21![Alaska Airlines logo]()
$701
This YBTour deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm -
Nonstop9h 55m
Thu 1/2112:40 pm -
Nonstop11h 55m
Deal found 9/18![Alaska Airlines logo]()
$702
This WhyPayMore deal was found by Cheapflights users on 9/19. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:00 pm -
Nonstop9h 55m
Wed 1/1312:40 pm -
Nonstop11h 55m
Deal found 9/19![Alaska Airlines logo]()
$717
This YBTour deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 pm -
Nonstop9h 55m
Sun 11/1512:40 pm -
Nonstop11h 55m
Deal found 9/18![Alaska Airlines logo]()
$755
This YBTour deal was found by Cheapflights users on 9/22. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:00 pm -
1 stop16h 58m
Wed 10/282:30 pm -
1 stop35h 05m
Deal found 9/22![Alaska Airlines logo]()
$758
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:30 am -
1 stop28h 15m
Fri 11/139:30 pm -
1 stop28h 40m
Deal found 9/22![Philippine Airlines logo]()
$843
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:30 am -
1 stop28h 15m
Fri 11/279:30 pm -
1 stop28h 40m
Deal found 9/21![Philippine Airlines logo]()
$845
This Gotogate deal was found by Cheapflights users on 9/21. 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 11/57:30 am -
1 stop28h 15m
Thu 11/129:30 pm -
1 stop39h 35m
Deal found 9/21![Philippine Airlines logo]()
$850
This Gotogate deal was found by Cheapflights users on 9/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 am -
1 stop28h 45m
Fri 11/69:30 pm -
1 stop39h 35m
Deal found 9/19![Philippine Airlines logo]()
$852
This Gotogate deal was found by Cheapflights users on 9/21. 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.
Wed 10/218:30 pm -
1 stop39h 35m
Wed 10/2810:30 pm -
1 stop28h 40m
Deal found 9/21![Philippine Airlines logo]()
$854
This Air Canada deal was found by Cheapflights users on 9/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:55 pm -
1 stop12h 46m
Tue 11/1010:00 am -
1 stop14h 10m
Deal found 9/19![Air Canada logo]()
$855
This Air Canada deal was found by Cheapflights users on 9/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 pm -
1 stop17h 26m
Wed 11/410:00 am -
1 stop14h 10m
Deal found 9/20![Air Canada logo]()
$856
Best flights from South Korea to WashingtonDiscover carefully curated flight deals from South Korea to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from South Korea to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Air Canada deal was found by Cheapflights users on 9/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 pm -
1 stop17h 26m
Sun 10/187:45 pm -
1 stop28h 20m
Deal found 9/20![Air Canada logo]()
$857
This CheapOair deal was found by Cheapflights users on 9/20. 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.
Thu 10/151:55 am -
2 stops23h 36m
Sun 10/187:45 pm -
1 stop28h 20m
Deal found 9/20![Multiple Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 11/512:45 pm -
2 stops25h 26m
Sun 11/85:00 am -
2 stops31h 40m
Deal found 9/19![United Airlines logo]()
$966
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:10 pm -
Nonstop9h 55m
Mon 11/93:05 pm -
1 stop31h 45m
Deal found 9/17![Delta logo]()
$989
This China Airlines deal was found by Cheapflights users on 9/20. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:50 am -
1 stop23h 20m
Sun 5/231:15 am -
1 stop25h 45m
Deal found 9/20![China Airlines logo]()
$996
This FlightHub deal was found by Cheapflights users on 9/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:45 am -
1 stop22h 35m
Tue 2/23:45 pm -
1 stop26h 25m
Deal found 9/22![ANA logo]()
$1,127
This EVA Air deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:10 pm -
1 stop15h 30m
Fri 10/231:30 am -
1 stop24h 10m
Deal found 9/18![EVA Air logo]()
$1,219
This Japan Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 am -
2 stops24h 44m
Mon 10/196:30 am -
2 stops22h 45m
Deal found 9/18![Japan Airlines logo]()
$1,514
This STARLUX Airlines deal was found by Cheapflights users on 9/20. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:55 pm -
2 stops43h 01m
Sat 10/245:48 pm -
2 stops25h 42m
Deal found 9/20![STARLUX Airlines logo]()
$1,578
This Air Canada deal was found by Cheapflights users on 9/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:55 pm -
1 stop16h 36m
Mon 12/2810:00 am -
1 stop14h 10m
Deal found 9/19![Air Canada logo]()
$934
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:30 am -
1 stop14h 40m
Tue 10/2711:30 pm -
2 stops23h 55m
Deal found 9/18![United Airlines logo]()
$968
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 pm -
Nonstop10h 14m
Sun 10/254:00 pm -
1 stop31h 50m
Deal found 9/18![Delta logo]()
$989
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 pm -
1 stop17h 26m
Sun 10/257:15 pm -
1 stop28h 55m
Deal found 9/18![Air Canada logo]()
$957
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:30 am -
1 stop16h 35m
Fri 10/2311:30 pm -
2 stops47h 55m
Deal found 9/18![United Airlines logo]()
$968
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:10 pm -
Nonstop9h 55m
Mon 11/2312:30 pm -
Nonstop12h 15m
Deal found 9/20![Delta logo]()
$996
This FlightHub deal was found by Cheapflights users on 9/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:20 pm -
1 stop18h 00m
Thu 11/263:40 pm -
1 stop26h 30m
Deal found 9/20![ANA logo]()
$1,129
This Expedia deal was found by Cheapflights users on 9/19. 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.
Tue 11/312:00 pm -
2 stops19h 41m
Tue 11/109:16 am -
2 stops18h 29m
Deal found 9/19![Multiple Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 am -
1 stop14h 40m
Fri 10/2311:30 pm -
2 stops47h 55m
Deal found 9/18![United Airlines logo]()
$968
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:40 pm -
Nonstop10h 00m
Wed 10/287:16 am -
1 stop18h 24m
Deal found 9/21![Delta logo]()
$996
This EVA Air deal was found by Cheapflights users on 9/21. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:50 pm -
1 stop21h 20m
Mon 12/2812:10 am -
1 stop26h 05m
Deal found 9/21![EVA Air logo]()
$1,225
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:45 am -
1 stop22h 35m
Fri 11/273:40 pm -
1 stop33h 55m
Deal found 9/21![ANA logo]()
$1,129
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:30 am -
1 stop22h 40m
Sat 10/2412:50 pm -
2 stops26h 15m
Deal found 9/18![Multiple Airlines logo]()
$1,151
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:10 pm -
1 stop29h 50m
Thu 10/2212:50 pm -
Nonstop11h 50m
Deal found 9/17![Delta logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 11/1512:45 pm -
1 stop27h 33m
Wed 11/254:39 pm -
2 stops30h 36m
Deal found 9/20![United Airlines logo]()
$1,005
This EVA Air deal was found by Cheapflights users on 9/21. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:50 pm -
1 stop21h 20m
Mon 12/2812:10 am -
1 stop26h 05m
Deal found 9/21![EVA Air logo]()
$1,225
This Orbitz deal was found by Cheapflights users on 9/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:10 pm -
1 stop13h 45m
Sat 1/212:10 am -
1 stop17h 40m
Deal found 9/19![Multiple Airlines logo]()
$1,156
This WhyPayMore deal was found by Cheapflights users on 9/20. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:40 pm -
1 stop17h 45m
Sat 10/244:45 pm -
1 stop26h 25m
Deal found 9/20![ANA logo]()
$1,176
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/234:50 pm -
2 stops33h 11m
Fri 11/67:04 pm -
2 stops28h 11m
Deal found 9/19![United Airlines logo]()
$1,005
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:45 pm -
1 stop34h 01m
Sat 1/95:45 pm -
1 stop31h 00m
Deal found 9/21![Delta logo]()
$1,009
This Tourvis deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:50 am -
1 stop23h 20m
Mon 11/239:37 pm -
2 stops20h 13m
Deal found 9/17![Multiple Airlines logo]()
$1,157
Last-minute flights from South Korea to WashingtonDiscover last-minute flight deals from South Korea to Washington. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from South Korea to Washington. Data last updated September 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:20 am -
1 stop28h 45m
Fri 3/129:30 pm -
1 stop28h 40m
Deal found 9/22![Philippine Airlines logo]()
$866
This Air Canada deal was found by Cheapflights users on 9/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:45 pm -
1 stop12h 37m
Sun 10/187:15 pm -
1 stop28h 50m
Deal found 9/19![Air Canada logo]()
$871
This Orbitz deal was found by Cheapflights users on 9/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 pm -
1 stop21h 02m
Mon 10/268:40 am -
1 stop15h 30m
Deal found 9/20![Air Canada logo]()
$873
This Air Canada deal was found by Cheapflights users on 9/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 pm -
1 stop17h 26m
Sun 10/187:45 pm -
1 stop28h 20m
Deal found 9/20![Air Canada logo]()
$857
This Gotogate deal was found by Cheapflights users on 9/21. 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.
Wed 10/218:30 pm -
1 stop39h 35m
Wed 10/2810:30 pm -
1 stop28h 40m
Deal found 9/21![Philippine Airlines logo]()
$854
This Air Canada deal was found by Cheapflights users on 9/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 pm -
1 stop17h 26m
Wed 11/410:00 am -
1 stop14h 10m
Deal found 9/20![Air Canada logo]()
$856
This Gotogate deal was found by Cheapflights users on 9/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 am -
1 stop28h 45m
Fri 11/69:30 pm -
1 stop39h 35m
Deal found 9/19![Philippine Airlines logo]()
$852
This YBTour deal was found by Cheapflights users on 9/22. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:00 pm -
1 stop16h 58m
Wed 10/282:30 pm -
1 stop35h 05m
Deal found 9/22![Alaska Airlines logo]()
$758
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 10/258:40 pm -
1 stop26h 28m
Sat 11/148:31 pm -
1 stop31h 49m
Deal found 9/21![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 10/258:40 pm -
1 stop26h 28m
Wed 11/118:54 am -
1 stop19h 26m
Deal found 9/21![Multiple Airlines logo]()
$870
This Justfly.com deal was found by Cheapflights users on 9/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
1 stop28h 15m
Wed 11/119:30 pm -
1 stop39h 35m
Deal found 9/21![Philippine Airlines logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/298:40 pm -
1 stop13h 51m
Tue 11/108:31 pm -
1 stop31h 49m
Deal found 9/21![Multiple Airlines logo]()
$869
One-way flights from South Korea to WashingtonSearch for one-way flight options from South Korea to Washington. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from South Korea to Washington. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Tue 10/278:40 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 10/258:40 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$466
This Booking.com deal was found by Cheapflights users on 9/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:40 pm -
2 stops27h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Hainan Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 pm -
1 stop13h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$485
This Booking.com deal was found by Cheapflights users on 9/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 pm -
2 stops28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Hainan Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/298:40 pm -
1 stop26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
1 stop31h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:10 pm -
2 stops31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:10 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:00 pm -
1 stop34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:10 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:10 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$557
Find flight deals from South Korea to Washington
Keep the following information in mind while searching for South Korea to Washington flight deals. Data was last updated September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $701 (YBTour) |
One-way from | $463 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $814 |
Good round-trip deal | $1,004 or less |
Good one-way deal | $698 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from South Korea to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
Use the filters below to find and compare flights from South Korea to Washington 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
Wed 11/11
9:40 pm-8:05 am
2 stops27h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$467
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Wed 12/16
8:30 pm-6:45 pm
1 stop39h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$536
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Sat 3/20
8:30 pm-7:45 pm
1 stop39h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$537
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Mon 11/2
10:00 pm-3:05 pm
1 stop34h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$550
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Fri 11/6
7:10 am-10:52 am
2 stops44h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$561
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Sat 10/31
8:00 am-10:05 am
2 stops42h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$573
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Fri 10/16
7:35 pm-9:29 am
2 stops29h 54m
Portland
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$583
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Sat 10/31
10:10 am-7:10 pm
1 stop25h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$586
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Mon 11/9
10:10 pm-2:10 pm
2 stops33h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$586
IncheonPortland
ICN Incheon Intl - PDX Portland
ICNPDX
Incheon Intl
Sat 10/3
7:35 pm-9:47 am
1 stop30h 12m
Portland
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$587
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from South Korea to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from South Korea with our price prediction graph.
ICN-SEA
ICN-PDX
ICN-GEG
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 Washington
KR0-USWA
ICN-SEA
ICN-PDX
ICN-GEG
PUS-SEA
What is the cheapest month to book a flight from South Korea to State of Washington?
Currently, November is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $583). Flying from South Korea to State of Washington 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 KR to WA?
Find hourly flight availability from South Korea to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 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 State of Washington as you normally would.
Weekly flight availability from South Korea to State of Washington
Explore weekly flight availability from South Korea to Washington. 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 September 22, 2026.
The most flights from KR0 to USWA 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 far ahead should I book a flight from South Korea to State of Washington?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from South Korea to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 22, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andAlaska Airlines from South Korea to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Overall
8.4
Crew
8.7
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 Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for South Korea to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from South Korea to Washington by cabin class
Find flights from South Korea to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Korea and Washington flights
Browse other South Korea and Washington flight options. Last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to South Korea after your stay in Washington
South Korea to Washington flights
Consider these flights traveling from South Korea to Washington.
Top 5 airlines flying from South Korea to Washington
Discover the top 5 airlines that operate flights from South Korea to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$621 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$449 | Average$749 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$476 | Average$784 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$522 | Average$668 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$618 | Average$887 | FlexibilityNo cancel fee | On-timeN/A |