$281+ Cheap flights from Seattle (SEA) to South Korea
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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to South Korea 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 Seattle to South Korea
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Cheapest flights from Seattle to South KoreaExplore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Seattle to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/77:20 am -
1 stop21h 00m
Mon 12/147:45 pm -
1 stop15h 28m
Deal found 10/29![Multiple Airlines logo]()
$855
This Cathay Pacific deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:25 am -
1 stop21h 15m
Wed 11/251:55 am -
1 stop23h 50m
Deal found 10/30![Cathay Pacific logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/1110:25 am -
1 stop21h 15m
Mon 11/167:35 pm -
1 stop30h 10m
Deal found 10/29![Cathay Pacific logo]()
$863
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:00 am -
Nonstop11h 55m
Wed 12/94:10 pm -
Nonstop9h 55m
Deal found 11/1![Korean Air logo]()
$866
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:10 am -
Nonstop12h 10m
Thu 12/109:20 pm -
Nonstop9h 50m
Deal found 11/1![Korean Air logo]()
$868
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:00 am -
Nonstop11h 55m
Sun 12/69:20 pm -
Nonstop9h 50m
Deal found 11/1![Korean Air logo]()
$870
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:40 am -
1 stop15h 30m
Mon 11/236:55 pm -
1 stop16h 27m
Deal found 11/1![Air Canada logo]()
$871
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:25 am -
1 stop21h 15m
Mon 12/710:00 am -
1 stop39h 45m
Deal found 11/2![Cathay Pacific logo]()
$875
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:25 am -
1 stop21h 15m
Wed 12/21:55 am -
1 stop23h 50m
Deal found 11/1![Cathay Pacific logo]()
$877
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/1010:25 am -
1 stop21h 15m
Tue 11/171:50 pm -
1 stop35h 55m
Deal found 10/29![Cathay Pacific logo]()
$878
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:25 am -
1 stop27h 30m
Wed 12/97:40 am -
1 stop18h 05m
Deal found 11/1![Cathay Pacific logo]()
$948
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:25 am -
1 stop27h 30m
Fri 12/111:55 pm -
1 stop35h 50m
Deal found 11/1![Cathay Pacific logo]()
$998
Best flights from Seattle to South KoreaDiscover carefully curated flight deals from Seattle to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Seattle to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This Korean Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/177:20 am -
1 stop17h 20m
Sun 12/62:30 pm -
1 stop17h 41m
Deal found 10/29![Korean Air logo]()
$912
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/1512:30 pm -
Nonstop12h 15m
Sun 11/226:45 pm -
Nonstop10h 06m
Deal found 10/31![Delta logo]()
$944
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/310:25 am -
1 stop33h 45m
Sun 3/71:55 pm -
1 stop35h 50m
Deal found 11/1![Cathay Pacific logo]()
$948
This China Airlines 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:10 am -
1 stop17h 40m
Sat 12/127:50 pm -
1 stop15h 20m
Deal found 11/1![China Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/155:23 pm -
1 stop19h 17m
Thu 11/196:00 pm -
2 stops20h 50m
Deal found 10/31![United Airlines logo]()
$1,223
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/210:15 am -
1 stop52h 35m
Sun 4/117:40 am -
1 stop65h 05m
Deal found 11/3![Singapore Airlines logo]()
$1,313
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:40 pm -
1 stop15h 05m
Sat 12/1212:00 pm -
1 stop17h 55m
Deal found 11/1![Alaska Airlines logo]()
$1,316
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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.
Mon 12/148:40 am -
2 stops21h 00m
Mon 12/2110:00 am -
2 stops21h 37m
Deal found 10/30![Multiple Airlines logo]()
$1,400
This Korean Air deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Sun 11/157:20 am -
1 stop17h 20m
Sun 11/224:10 pm -
Nonstop9h 55m
Deal found 10/31![Korean Air logo]()
$951
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/179:08 pm -
2 stops34h 32m
Wed 2/243:00 pm -
1 stop34h 45m
Deal found 11/2![Cathay Pacific logo]()
$961
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1812:40 pm -
Nonstop12h 05m
Wed 2/246:45 pm -
Nonstop10h 05m
Deal found 11/2![Delta logo]()
$1,088
This KAYAK deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2911:45 am -
1 stop26h 40m
Tue 4/137:30 am -
1 stop18h 35m
Deal found 10/31![Cathay Pacific logo]()
$992
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.
Wed 1/273:15 pm -
1 stop20h 55m
Wed 2/244:10 pm -
Nonstop9h 55m
Deal found 11/2![Korean Air logo]()
$1,091
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2712:30 pm -
Nonstop12h 15m
Sat 12/126:45 pm -
Nonstop10h 11m
Deal found 11/2![Delta logo]()
$1,144
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:25 am -
1 stop27h 45m
Tue 12/88:45 am -
1 stop17h 00m
Deal found 11/1![Cathay Pacific logo]()
$1,073
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:40 pm -
1 stop15h 05m
Sat 12/1212:00 pm -
1 stop17h 55m
Deal found 11/1![Alaska Airlines logo]()
$1,316
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.
Fri 11/277:20 am -
1 stop17h 20m
Sat 12/124:10 pm -
Nonstop9h 55m
Deal found 11/2![Korean Air logo]()
$1,151
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1612:40 pm -
Nonstop12h 05m
Sat 1/306:45 pm -
Nonstop10h 06m
Deal found 10/30![Delta logo]()
$1,194
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:10 am -
2 stops27h 20m
Tue 12/228:20 am -
2 stops17h 45m
Deal found 10/31![Multiple Airlines logo]()
$1,481
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:25 am -
1 stop33h 45m
Sat 12/127:40 am -
1 stop18h 05m
Deal found 11/1![Cathay Pacific logo]()
$1,123
This Korean Air deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 1/215:51 pm -
1 stop17h 09m
Thu 1/284:10 pm -
Nonstop9h 55m
Deal found 10/30![Korean Air logo]()
$1,201
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:00 am -
1 stop16h 05m
Tue 12/2211:10 am -
2 stops24h 12m
Deal found 10/30![Multiple Airlines logo]()
$1,488
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/712:35 pm -
Nonstop12h 10m
Sun 12/276:45 pm -
Nonstop10h 11m
Deal found 10/29![Delta logo]()
$1,257
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:10 am -
2 stops25h 10m
Wed 12/234:20 pm -
1 stop14h 50m
Deal found 11/1![Multiple Airlines logo]()
$2,079
This oojo deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 3/281:30 am -
2 stops45h 30m
Tue 4/131:40 pm -
2 stops21h 50m
Deal found 10/31![Multiple Airlines logo]()
$2,283
Last-minute flights from Seattle to South KoreaDiscover last-minute flight deals from Seattle to South Korea. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to South Korea. Data last updated November 3, 2026 and is based on user searches.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:40 am -
1 stop15h 30m
Mon 11/236:55 pm -
1 stop16h 27m
Deal found 11/1![Air Canada logo]()
$871
This Cathay Pacific deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:25 am -
1 stop21h 15m
Wed 11/251:55 am -
1 stop23h 50m
Deal found 10/30![Cathay Pacific logo]()
$862
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/1010:25 am -
1 stop21h 15m
Tue 11/171:50 pm -
1 stop35h 55m
Deal found 10/29![Cathay Pacific logo]()
$878
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/1110:25 am -
1 stop21h 15m
Mon 11/167:35 pm -
1 stop30h 10m
Deal found 10/29![Cathay Pacific logo]()
$863
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:10 am -
Nonstop12h 10m
Tue 12/14:00 pm -
1 stop17h 44m
Deal found 11/2![Korean Air logo]()
$883
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:10 am -
Nonstop12h 10m
Sun 12/64:10 pm -
Nonstop9h 55m
Deal found 11/1![Korean Air logo]()
$868
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:25 am -
1 stop21h 15m
Wed 12/21:55 am -
1 stop23h 50m
Deal found 11/1![Cathay Pacific logo]()
$877
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:00 am -
Nonstop11h 55m
Sat 12/124:10 pm -
Nonstop9h 55m
Deal found 11/1![Korean Air logo]()
$866
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:00 am -
Nonstop11h 55m
Sun 12/69:20 pm -
Nonstop9h 50m
Deal found 11/1![Korean Air logo]()
$870
This SmartFares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Thu 11/2610:03 am -
2 stops21h 37m
Wed 12/21:55 am -
1 stop23h 50m
Deal found 10/29![Multiple Airlines logo]()
$881
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:25 am -
1 stop21h 15m
Mon 12/710:00 am -
1 stop39h 45m
Deal found 11/2![Cathay Pacific logo]()
$875
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:25 am -
1 stop33h 45m
Thu 12/108:45 am -
1 stop17h 00m
Deal found 11/1![Cathay Pacific logo]()
$948
One-way flights from Seattle to South KoreaSearch for one-way flight options from Seattle to South Korea. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Seattle to South Korea. Find affordable one-way fares based on user searches. Data last updated November 3, 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.
Mon 11/307:00 am -
2 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$281
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 1/127:00 am -
2 stops33h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/107:00 am -
2 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$295
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.
Mon 1/116:20 pm -
2 stops46h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$313
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.
Wed 1/207:00 am -
2 stops28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$378
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:05 am -
2 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Hainan Airlines logo]()
$400
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.
Sat 1/2310:00 am -
1 stop18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$414
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2310:25 am -
1 stop33h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Cathay Pacific logo]()
$433
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.
Thu 1/219:08 pm -
2 stops44h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$468
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2110:25 am -
1 stop27h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Cathay Pacific logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/213:50 pm -
3 stops49h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 2/2310:20 am -
2 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$581
Find flight deals from Seattle to South Korea
Keep the following information in mind while searching for Seattle to South Korea flight deals. Data was last updated November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $852 (Gotogate) |
One-way from | $281 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,107 |
Good round-trip deal | $845 or less |
Good one-way deal | $460 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to South Korea 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 3, 2026.
Use the filters below to find and compare flights from Seattle to South Korea that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBusan
SEA Seattle/Tacoma Intl - PUS Busan Gimhae
SEAPUS
Seattle/Tacoma Intl
Thu 1/21
10:25 am-6:55 am
1 stop27h 30m
Busan Gimhae
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$496
Quickest round-trip
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Sat 11/14
12:40 pm-5:35 pm
Nonstop11h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$513
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Thu 11/12
4:59 pm-1:50 pm
2 stops27h 51m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$535
SeattleBusan
SEA Seattle/Tacoma Intl - PUS Busan Gimhae
SEAPUS
Seattle/Tacoma Intl
Sat 11/21
3:50 pm-9:50 am
3 stops49h 00m
Busan Gimhae
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$549
SeattleBusan
SEA Seattle/Tacoma Intl - PUS Busan Gimhae
SEAPUS
Seattle/Tacoma Intl
Tue 2/23
10:20 am-7:10 am
2 stops27h 50m
Busan Gimhae
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$581
SeattleBusan
SEA Seattle/Tacoma Intl - PUS Busan Gimhae
SEAPUS
Seattle/Tacoma Intl
Thu 1/21
9:59 am-9:15 pm
3 stops42h 16m
Busan Gimhae
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$598
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Thu 11/12
12:30 pm-5:45 pm
Nonstop12h 15m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$619
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Mon 11/9
12:30 pm-5:45 pm
Nonstop12h 15m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$619
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Wed 11/11
12:30 pm-5:45 pm
Nonstop12h 15m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$619
SeattleIncheon
SEA Seattle/Tacoma Intl - ICN Incheon Intl
SEAICN
Seattle/Tacoma Intl
Sun 11/22
12:30 pm-5:45 pm
Nonstop12h 15m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$643
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Seattle to South Korea
Have a flexible travel schedule? Discover the best time to fly to South Korea from Seattle with our price prediction graph.
SEA-PUS
SEA-ICN
SEA-CJU
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 Seattle to South Korea
SEA-KR0
SEA-PUS
SEA-ICN
SEA-CJU
What is the cheapest month to book a flight from Seattle to South Korea?
Currently, April is the cheapest month in which you can book a flight from Seattle to South Korea (average of $343). Flying from Seattle to South Korea in December is currently the most expensive (average of $1,424). 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 SEA to KR?
Find hourly flight availability from Seattle to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2026.
When flying from Seattle to South Korea, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 78% versus a flight in the afternoon.
Weekly flight availability from Seattle to South Korea
Explore weekly flight availability from Seattle to South Korea. 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 3, 2026.
The most flights from SEA to KR0 are scheduled on a Wednesday (5 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 Seattle to South Korea delayed?
About 25% of weekly flights between Seattle and South Korea have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for Seattle to South Korea flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to South Korea flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 18% of flights being delayed.
How far ahead should I book a flight from Seattle to South Korea?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing South Korea
Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated November 3, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andAlaska Airlines from Seattle to South Korea. 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.
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Overall
8.4
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Seattle to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to South Korea
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Complete your trip
Complete your trip to South Korea by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to South Korea by cabin class
Find flights from Seattle to South Korea, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and South Korea flights
Browse other Seattle and South Korea flight options. Last updated on November 3, 2026.
Popular flight searches
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Fly to South Korea regions
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Top 8 airlines flying from Seattle to South Korea
Discover the top 8 airlines that operate flights from Seattle to South Korea. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$335 | Average$338 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$523 | Average$787 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$749 | Average$858 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$792 | Average$858 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$796 | Average$902 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$852 | Average$1,061 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$868 | Average$1,121 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$950 | Average$1,139 | FlexibilityNo cancel fee | On-time74% |