$325+ Cheap flights from San Francisco (SFO) to Seoul (SEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEL
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Seoul are usually found in February or September, booked 42 days in advance, depart on a Monday or Sunday and return on a Wednesday
Cheap flight deals from San Francisco to Seoul
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Cheapest flights from San Francisco to SeoulExplore the most affordable flight options available from San Francisco to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from San Francisco to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:45 pm -
1 stop24h 35m
Fri 11/206:30 pm -
1 stop43h 40m
Deal found 8/20![United Airlines logo]()
$663
This Flysmarter deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:55 pm -
Nonstop12h 25m
Wed 9/95:15 pm -
1 stop31h 59m
Deal found 8/20![Lufthansa logo]()
$664
This deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:20 pm -
Nonstop13h 05m
Sun 10/49:00 pm -
Nonstop10h 30m
Deal found 8/19![Asiana Airlines logo]()
$668
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:40 am -
Nonstop12h 20m
Mon 9/144:50 pm -
Nonstop10h 50m
Deal found 8/20![Asiana Airlines logo]()
$673
This Super.com deal was found by Cheapflights users on 8/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:20 pm -
Nonstop13h 00m
Sun 11/297:45 pm -
Nonstop10h 35m
Deal found 8/18![AIR PREMIA logo]()
$678
This Super.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 pm -
Nonstop12h 40m
Sun 10/187:15 pm -
Nonstop11h 00m
Deal found 8/20![AIR PREMIA logo]()
$681
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/1311:45 pm -
Nonstop12h 35m
Mon 11/2312:45 pm -
Nonstop10h 45m
Deal found 8/16![United Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:45 pm -
Nonstop12h 35m
Mon 11/236:00 pm -
Nonstop10h 45m
Deal found 8/17![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:25 am -
Nonstop12h 35m
Tue 11/246:00 pm -
Nonstop10h 45m
Deal found 8/20![United Airlines logo]()
$688
This KAYAK deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sun 11/810:20 am -
Nonstop12h 55m
Wed 11/256:00 pm -
Nonstop10h 45m
Deal found 8/16![Asiana Airlines logo]()
$692
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:40 am -
Nonstop12h 20m
Sun 9/1311:30 am -
Nonstop10h 40m
Deal found 8/18![Asiana Airlines logo]()
$693
This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:35 pm -
2 stops29h 15m
Mon 12/710:55 am -
2 stops25h 45m
Deal found 8/17![China Southern logo]()
$694
Best flights from San Francisco to SeoulDiscover carefully curated flight deals from San Francisco to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from San Francisco to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:25 am -
Nonstop12h 35m
Tue 11/36:00 pm -
Nonstop10h 45m
Deal found 8/19![United Airlines logo]()
$727
This Korean Air deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:50 pm -
Nonstop12h 30m
Thu 10/84:00 pm -
Nonstop10h 40m
Deal found 8/20![Korean Air logo]()
$904
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 am -
1 stop18h 20m
Thu 10/224:00 pm -
Nonstop10h 40m
Deal found 8/21![Delta logo]()
$907
This EVA Air deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Sun 10/1112:45 am -
1 stop25h 25m
Fri 11/201:50 pm -
1 stop21h 50m
Deal found 8/16![EVA Air logo]()
$1,097
This Japan Airlines deal was found by Cheapflights users on 8/18. 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 9/2412:25 pm -
1 stop16h 50m
Thu 10/88:00 am -
1 stop17h 45m
Deal found 8/18![Japan Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:20 am -
Nonstop12h 55m
Thu 11/266:00 pm -
Nonstop10h 45m
Deal found 8/19![United Airlines logo]()
$765
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:55 pm -
1 stop23h 30m
Sun 1/246:00 pm -
Nonstop10h 45m
Deal found 8/17![United Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 10/236:20 am -
1 stop18h 20m
Mon 11/94:00 pm -
Nonstop10h 30m
Deal found 8/17![Delta logo]()
$907
This Korean Air deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:15 pm -
1 stop32h 40m
Sat 12/56:45 pm -
1 stop31h 53m
Deal found 8/20![Korean Air logo]()
$932
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 am -
1 stop18h 30m
Sat 11/216:45 pm -
1 stop15h 18m
Deal found 8/20![Delta logo]()
$917
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/2511:20 am -
Nonstop12h 55m
Mon 11/99:00 am -
1 stop17h 25m
Deal found 8/16![United Airlines logo]()
$875
This EVA Air deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Wed 10/1412:45 am -
1 stop20h 05m
Sat 11/211:50 pm -
1 stop18h 10m
Deal found 8/16![EVA Air logo]()
$1,097
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/45:50 am -
1 stop17h 30m
Fri 9/187:00 pm -
2 stops20h 40m
Deal found 8/16![Delta logo]()
$922
This Japan Airlines deal was found by Cheapflights users on 8/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:25 pm -
1 stop16h 50m
Fri 9/412:05 pm -
1 stop14h 00m
Deal found 8/17![Japan Airlines logo]()
$1,179
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:23 am -
1 stop18h 27m
Tue 10/137:00 pm -
2 stops16h 42m
Deal found 8/20![Delta logo]()
$922
This Japan Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:25 pm -
1 stop16h 50m
Wed 9/307:15 pm -
1 stop30h 30m
Deal found 8/19![Japan Airlines logo]()
$1,179
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/56:20 am -
1 stop18h 30m
Fri 9/187:00 pm -
2 stops20h 40m
Deal found 8/16![Delta logo]()
$922
This Japan Airlines deal was found by Cheapflights users on 8/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/412:55 pm -
1 stop16h 10m
Tue 2/168:00 am -
1 stop19h 25m
Deal found 8/17![Japan Airlines logo]()
$1,179
This Japan Airlines deal was found by Cheapflights users on 8/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/712:55 pm -
1 stop16h 10m
Thu 2/188:00 am -
1 stop19h 25m
Deal found 8/17![Japan Airlines logo]()
$1,179
This Japan Airlines deal was found by Cheapflights users on 8/18. 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 9/2412:25 pm -
1 stop16h 50m
Wed 10/712:05 pm -
1 stop13h 40m
Deal found 8/18![Japan Airlines logo]()
$1,179
This Japan Airlines deal was found by Cheapflights users on 8/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:25 pm -
1 stop30h 15m
Sat 9/58:00 am -
1 stop18h 05m
Deal found 8/17![Japan Airlines logo]()
$1,179
This Japan Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:35 am -
1 stop30h 20m
Thu 11/1212:05 pm -
1 stop15h 10m
Deal found 8/16![Japan Airlines logo]()
$1,432
Last-minute flights from San Francisco to SeoulDiscover last-minute flight deals from San Francisco to Seoul. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Seoul. Data last updated August 21, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:40 am -
Nonstop12h 20m
Fri 9/115:15 pm -
1 stop31h 59m
Deal found 8/20![Asiana Airlines logo]()
$702
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:40 am -
Nonstop12h 20m
Mon 9/144:50 pm -
Nonstop10h 50m
Deal found 8/20![Asiana Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 pm -
Nonstop12h 40m
Wed 9/167:15 pm -
Nonstop11h 00m
Deal found 8/20![AIR PREMIA logo]()
$697
This Flysmarter deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:55 pm -
Nonstop12h 25m
Wed 9/95:15 pm -
1 stop31h 59m
Deal found 8/20![Lufthansa logo]()
$664
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:40 am -
Nonstop12h 20m
Sun 9/1311:30 am -
Nonstop10h 40m
Deal found 8/18![Asiana Airlines logo]()
$693
This KAYAK deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Wed 9/910:25 am -
Nonstop12h 35m
Fri 10/94:50 pm -
Nonstop10h 50m
Deal found 8/16![Asiana Airlines logo]()
$692
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm -
1 stop35h 35m
Fri 10/163:30 pm -
1 stop35h 00m
Deal found 8/18![Air China logo]()
$703
This deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:20 pm -
Nonstop13h 05m
Sun 10/49:00 pm -
Nonstop10h 30m
Deal found 8/19![Asiana Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/185:00 pm -
Nonstop12h 40m
Sat 10/36:00 pm -
Nonstop11h 00m
Deal found 8/16![AIR PREMIA logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 pm -
Nonstop12h 40m
Sat 10/106:00 pm -
Nonstop11h 00m
Deal found 8/20![AIR PREMIA logo]()
$696
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:45 pm -
1 stop24h 35m
Fri 11/206:30 pm -
1 stop43h 40m
Deal found 8/20![United Airlines logo]()
$663
This BusinessClass deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:20 pm -
1 stop31h 00m
Sat 11/712:45 pm -
Nonstop10h 45m
Deal found 8/20![ANA logo]()
$699
One-way flights from San Francisco to SeoulSearch for one-way flight options from San Francisco to Seoul. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from San Francisco to Seoul. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This SmartFares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 pm -
Nonstop12h 40m
Deal found 8/19![AIR PREMIA logo]()
$325
This Super.com deal was found by Cheapflights users on 8/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 pm -
Nonstop12h 40m
Deal found 8/18![AIR PREMIA logo]()
$326
This Super.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:00 pm -
Nonstop12h 40m
Deal found 8/20![AIR PREMIA logo]()
$327
This SmartFares deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:00 pm -
Nonstop12h 40m
Deal found 8/21![AIR PREMIA logo]()
$332
This Agoda.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 pm -
Nonstop12h 40m
Deal found 8/20![AIR PREMIA logo]()
$337
This Trip.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:30 pm -
Nonstop12h 40m
Deal found 8/19![AIR PREMIA logo]()
$339
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 pm -
Nonstop12h 40m
Deal found 8/17![AIR PREMIA logo]()
$340
This Booking.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:00 pm -
Nonstop12h 40m
Deal found 8/19![AIR PREMIA logo]()
$343
This WhyPayMore deal was found by Cheapflights users on 8/17. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:30 pm -
Nonstop12h 40m
Deal found 8/17![AIR PREMIA logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:00 pm -
Nonstop12h 40m
Deal found 8/20![AIR PREMIA logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:20 am -
Nonstop12h 55m
Deal found 8/21![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm -
2 stops28h 10m
Deal found 8/19![Multiple Airlines logo]()
$480
Find flight deals from San Francisco to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $663 (United Airlines) |
One-way from | $325 (SmartFares) |
Popular in | June |
Cheapest in | February |
Average price | $760 |
Good round-trip deal | $698 or less |
Good one-way deal | $396 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from San Francisco to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 10/9
10:25 am-3:00 pm
Nonstop12h 35m
Incheon Intl
Tue 11/3
6:00 pm-11:45 am
Nonstop10h 45m
$727
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Tue 11/3
10:20 am-4:15 pm
Nonstop12h 55m
Incheon Intl
Thu 11/26
6:00 pm-11:45 am
Nonstop10h 45m
$765
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 1/15
11:55 pm-4:25 pm
1 stop23h 30m
Incheon Intl
Sun 1/24
6:00 pm-11:45 am
Nonstop10h 45m
$795
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 10/25
11:20 am-4:15 pm
Nonstop12h 55m
Incheon Intl
Mon 11/9
9:00 am-9:25 am
1 stop17h 25m
$875
Quickest round-trip
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 10/2
12:50 pm-5:20 pm
Nonstop12h 30m
Incheon Intl
Thu 10/8
4:00 pm-10:40 am
Nonstop10h 40m
$904
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 10/11
6:20 am-4:40 pm
1 stop18h 20m
Incheon Intl
Thu 10/22
4:00 pm-10:40 am
Nonstop10h 40m
$907
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 10/23
6:20 am-4:40 pm
1 stop18h 20m
Incheon Intl
Mon 11/9
4:00 pm-9:30 am
Nonstop10h 30m
$907
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 10/11
6:20 am-4:50 pm
1 stop18h 30m
Incheon Intl
Sat 11/21
6:45 pm-5:03 pm
1 stop15h 18m
$917
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 9/4
5:50 am-3:20 pm
1 stop17h 30m
Incheon Intl
Fri 9/18
7:00 pm-11:40 pm
2 stops20h 40m
$922
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 10/2
6:23 am-4:50 pm
1 stop18h 27m
Incheon Intl
Tue 10/13
7:00 pm-7:42 pm
2 stops16h 42m
$922
Showing 1-10 of 43 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Seoul in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from San Francisco with our price prediction graph.
SFO-SEL
SFO-ICN
SFO-GMP
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 San Francisco to Seoul
SFO-SEL
SFO-ICN
SFO-GMP
What is the cheapest month to book a flight from San Francisco to Seoul?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seoul (average of $704). Flying from San Francisco to Seoul in June is currently the most expensive (average of $1,387). 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 SFO to SEL?
Find hourly flight availability from San Francisco to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2026.
When flying from San Francisco to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 5% versus a flight at noon.
Weekly flight availability from San Francisco to Seoul
Explore weekly flight availability from San Francisco to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 21, 2026.
The most flights from SFO to SEL are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from San Francisco to Seoul?
Airfare is below average for this route at the moment.
San Francisco to Seoul flights typically cost between $675 and $863 in September.The cheapest round-trip price found within the last 5 days was $663 on United Airlines (Sep 28-Nov 20).
How often are flights from San Francisco to Seoul delayed?
About 0% of weekly flights between San Francisco and Seoul have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for San Francisco to Seoul flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday 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.
How far ahead should I book a flight from San Francisco to Seoul?
The best time to book flights from San Francisco to Seoul is 17 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.
What is the cheapest day to fly from San Francisco to Seoul?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seoul. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their San Francisco to Seoul flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for San Francisco to Seoul flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Seoul trip
Our travel experts
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated August 21, 2026.
Read reviews from past customers who have flown Korean Air,AIR PREMIA, andAsiana Airlines from San Francisco to Seoul. 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.
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Seoul. 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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Complete your trip
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Search flights from San Francisco to Seoul by cabin class
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San Francisco and Seoul flights
Browse other San Francisco and Seoul flight options. Last updated on August 21, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
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Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Top 10 airlines flying from San Francisco to Seoul
Discover the top 10 airlines that operate flights from San Francisco to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$649 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$460 | Average$1,115 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$608 | Average$829 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$693 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$640 | Average$971 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$642 | Average$681 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$661 | Average$770 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$820 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$731 | Average$771 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$776 | Average$956 | FlexibilityNo cancel fee | On-time81% |