$452+ Cheap flights from South Korea to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Dec 5 — Dec 121
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
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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 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 November 5, 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 November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:45 pm -
1 stop29h 31m
Sat 1/96:20 pm -
2 stops48h 35m
Deal found 11/1![Multiple Airlines logo]()
$796
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/169:20 pm -
2 stops27h 45m
Thu 1/710:05 am -
2 stops41h 10m
Deal found 11/4![Hainan Airlines logo]()
$888
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com 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 11/1311:26 am -
1 stop24h 29m
Deal found 11/3![Multiple Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Tue 2/169:40 pm -
1 stop30h 40m
Deal found 11/3![Multiple Airlines logo]()
$908
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Thu 2/49:08 pm -
1 stop31h 12m
Deal found 11/3![Multiple Airlines logo]()
$909
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Thu 1/710:05 am -
2 stops41h 10m
Deal found 11/4![Multiple Airlines logo]()
$911
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Fri 1/81:24 pm -
2 stops38h 56m
Deal found 11/4![Multiple Airlines logo]()
$915
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Sat 1/97:10 am -
1 stop21h 10m
Deal found 11/4![Multiple Airlines logo]()
$916
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Sat 2/134:29 pm -
2 stops35h 51m
Deal found 11/3![Multiple Airlines logo]()
$919
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:35 am -
1 stop25h 35m
Mon 11/3011:00 am -
2 stops27h 55m
Deal found 11/1![Multiple Airlines logo]()
$1,175
This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:55 am -
1 stop22h 00m
Thu 12/310:25 am -
1 stop27h 30m
Deal found 11/5![Multiple Airlines logo]()
$1,176
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:00 pm -
1 stop14h 05m
Thu 12/247:15 am -
2 stops20h 30m
Deal found 11/1![Delta logo]()
$1,183
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:10 pm -
Nonstop9h 55m
Thu 11/2612:30 pm -
Nonstop12h 15m
Deal found 11/1![Delta logo]()
$1,028
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:40 pm -
2 stops33h 19m
Sun 12/68:46 am -
1 stop19h 34m
Deal found 11/5![Multiple Airlines logo]()
$1,029
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 pm -
1 stop22h 18m
Fri 1/17:25 pm -
1 stop17h 15m
Deal found 11/2![United Airlines logo]()
$1,101
This Korean Air deal was found by Cheapflights users on 11/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/49:00 pm -
Nonstop9h 55m
Mon 5/1712:55 am -
Nonstop12h 20m
Deal found 11/5![Korean Air logo]()
$1,130
This Singapore Airlines deal was found by Cheapflights users on 11/4. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/37:40 am -
1 stop41h 05m
Sat 4/1010:15 am -
1 stop28h 35m
Deal found 11/4![Singapore Airlines logo]()
$1,199
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/44:10 pm -
1 stop29h 50m
Tue 5/187:20 am -
1 stop18h 00m
Deal found 11/5![Delta logo]()
$1,084
This Korean Air deal was found by Cheapflights users on 11/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/144:10 pm -
1 stop15h 00m
Wed 12/2312:35 pm -
1 stop26h 35m
Deal found 11/2![Korean Air logo]()
$1,209
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/199:20 pm -
Nonstop9h 50m
Fri 3/2612:10 am -
Nonstop12h 10m
Deal found 11/1![Delta logo]()
$1,118
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:35 am -
1 stop22h 30m
Wed 12/2311:45 pm -
1 stop23h 00m
Deal found 11/5![Multiple Airlines logo]()
$1,243
This Korean Air deal was found by Cheapflights users on 11/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:55 am -
1 stop18h 10m
Wed 12/3012:10 am -
1 stop22h 00m
Deal found 11/2![Korean Air logo]()
$1,213
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:45 pm -
Nonstop10h 11m
Thu 12/3112:10 am -
Nonstop12h 10m
Deal found 11/1![Delta logo]()
$1,122
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:20 pm -
Nonstop9h 50m
Fri 1/17:15 am -
1 stop17h 25m
Deal found 11/1![Delta logo]()
$1,122
This Korean Air deal was found by Cheapflights users on 11/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:00 pm -
1 stop16h 56m
Wed 12/2312:35 pm -
1 stop15h 10m
Deal found 11/5![Korean Air logo]()
$1,249
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/106:45 pm -
Nonstop10h 06m
Mon 8/307:20 am -
1 stop18h 00m
Deal found 11/3![Delta logo]()
$1,129
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/149:20 pm -
Nonstop9h 50m
Fri 3/267:20 am -
1 stop18h 20m
Deal found 11/1![Delta logo]()
$1,178
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:00 pm -
1 stop14h 05m
Thu 12/247:15 am -
2 stops20h 30m
Deal found 11/1![Delta logo]()
$1,183
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:25 am -
2 stops27h 09m
Sat 1/27:52 pm -
2 stops31h 53m
Deal found 11/1![Delta logo]()
$1,189
Last-minute flights from South Korea to SeattleDiscover last-minute flight deals from South Korea to Seattle. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from South Korea to Seattle. Data last updated November 5, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com 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 11/1311:26 am -
1 stop24h 29m
Deal found 11/3![Multiple Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:35 am -
1 stop25h 35m
Mon 11/3011:00 am -
2 stops27h 55m
Deal found 11/1![Multiple Airlines logo]()
$1,175
This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:55 am -
1 stop22h 00m
Thu 12/310:25 am -
1 stop27h 30m
Deal found 11/5![Multiple Airlines logo]()
$1,176
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Tue 2/169:40 pm -
1 stop30h 40m
Deal found 11/3![Multiple Airlines logo]()
$908
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Thu 2/49:08 pm -
1 stop31h 12m
Deal found 11/3![Multiple Airlines logo]()
$909
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop15h 28m
Sat 2/134:29 pm -
2 stops35h 51m
Deal found 11/3![Multiple Airlines logo]()
$919
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:45 pm -
1 stop29h 31m
Sat 1/96:20 pm -
2 stops48h 35m
Deal found 11/1![Multiple Airlines logo]()
$796
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/169:20 pm -
2 stops27h 45m
Thu 1/710:05 am -
2 stops41h 10m
Deal found 11/4![Hainan Airlines logo]()
$888
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Thu 1/710:05 am -
2 stops41h 10m
Deal found 11/4![Multiple Airlines logo]()
$911
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Fri 1/81:24 pm -
2 stops38h 56m
Deal found 11/4![Multiple Airlines logo]()
$915
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/167:45 pm -
1 stop19h 22m
Sat 1/97:10 am -
1 stop21h 10m
Deal found 11/4![Multiple Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:00 pm -
1 stop14h 05m
Thu 12/247:15 am -
2 stops20h 30m
Deal found 11/1![Delta logo]()
$1,183
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 November 5, 2026.
Search for one-way flight options from South Korea to Seattle. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This SmartFares deal was found by Cheapflights users on 11/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:20 pm -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Hainan Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 12/127:45 pm -
1 stop15h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:45 pm -
2 stops36h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop29h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:45 pm -
1 stop29h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$468
This FlightHub deal was found by Cheapflights users on 11/5. 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.
Wed 12/99:20 pm -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Hainan Airlines logo]()
$471
This Super.com deal was found by Cheapflights users on 11/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:20 pm -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Hainan Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/188:45 am -
2 stops40h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/1710:00 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:35 am -
2 stops42h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Mon 11/169:55 pm -
2 stops52h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/149:00 pm -
2 stops53h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$609
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $796 (Kiwi.com) |
One-way from | $452 (SmartFares) |
Popular in | June |
Cheapest in | February |
Average price | $658 |
Good round-trip deal | $1,023 or less |
Good one-way deal | $604 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 7,457,451 searches. Data last updated November 5, 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 12/10
1:10 pm-12:31 pm
3 stops40h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$541
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Thu 12/17
10:00 pm-2:10 pm
2 stops33h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$587
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Sun 11/15
7:35 am-9:05 am
2 stops42h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$601
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Mon 2/15
4:10 pm-1:10 pm
1 stop14h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$607
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Tue 3/16
9:50 pm-9:05 am
3 stops51h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$623
BusanSeattle
PUS Busan Gimhae - SEA Seattle/Tacoma Intl
PUSSEA
Busan Gimhae
Sat 11/14
3:00 pm-6:10 pm
1 stop20h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$642
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Mon 11/30
8:50 pm-10:00 pm
1 stop18h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$800
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 12/4
12:45 pm-9:21 pm
3 stops25h 36m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$861
Quickest round-trip
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Fri 11/20
9:20 pm-2:10 pm
Nonstop9h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$866
IncheonSeattle
ICN Incheon Intl - SEA Seattle/Tacoma Intl
ICNSEA
Incheon Intl
Thu 3/18
4:10 pm-10:05 am
Nonstop9h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$866
Showing 1-10 of 32 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
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
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 $631). Flying from South Korea 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 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 November 5, 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 November 5, 2026.
The most flights from KR0 to SEA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from South Korea to Seattle delayed?
About 19% of weekly flights between South Korea and Seattle have experienced delays in the past year, with the average delay time being 149 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?
Wednesday tends to have the lowest number of delays on this route, whereas Saturday 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, Delta have had the lowest number of delays on this route, with just 14% 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 59 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 November 5, 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.
Overall
8.4
Boarding
8.5
Comfort
8.3
Crew
8.7
Food
8.1
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Boarding
8.5
Comfort
8.3
Crew
8.7
Food
8.1
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Boarding
8.5
Comfort
8.3
Crew
8.7
Food
8.1
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Boarding
8.5
Comfort
8.3
Crew
8.7
Food
8.1
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Boarding
8.5
Comfort
8.3
Crew
8.7
Food
8.1
Entertainment
8.2
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
Lacey
Tacoma
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Olympia
Lakewood
Poulsbo
Marysville
Shoreline
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.
Alternative routes
Complete your trip
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Seattle flight routes
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Alternative routes for South Korea to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
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 November 5, 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 November 5, 2026.
South Korea to Seattle flights
Consider these flights traveling from South Korea to Seattle.
Top 4 airlines flying from South Korea to Seattle
Discover the top 4 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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$522 | Average$718 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$567 | Average$996 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$654 | Average$890 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$656 | Average$857 | FlexibilityNo cancel fee | On-time81% |