$710+ Cheap flights from Seoul (SEL) to St. Louis (STL)
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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — STL
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Find cheap flights from Seoul to St. Louis 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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Cheapest flights from Seoul to St. LouisExplore the most affordable flight options available from Seoul to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
Explore the most affordable flight options available from Seoul to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
This Ovago deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Tue 6/238:45 pm
ICN
- STL
2 stops35h 22m
WestJet
Tue 7/143:58 pm
STL
- ICN
2 stops36h 47m
WestJet
Deal found 5/12![WestJet logo]()
$1,376
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 8/256:00 am
STL
- ICN
2 stops45h 05m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,409
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 pm
ICN
- STL
2 stops35h 40m
American Airlines
Sat 10/315:11 pm
STL
- ICN
1 stop33h 14m
American Airlines
Deal found 5/11![American Airlines logo]()
$1,422
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 5/297:35 pm
ICN
- STL
1 stop37h 10m
Multiple Airlines
Fri 7/312:52 pm
STL
- ICN
2 stops39h 18m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,429
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/141:25 pm
STL
- ICN
2 stops37h 40m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,475
This Priceline deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:20 am
ICN
- STL
2 stops38h 36m
Qatar Airways
Wed 11/253:23 pm
STL
- ICN
2 stops28h 07m
Qatar Airways
Deal found 5/7![Qatar Airways logo]()
$1,476
This WestJet deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:45 pm
ICN
- STL
2 stops53h 49m
WestJet
Wed 6/171:59 pm
STL
- ICN
2 stops38h 46m
WestJet
Deal found 5/12![WestJet logo]()
$1,518
This Qatar Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/141:25 pm
STL
- ICN
2 stops37h 40m
Qatar Airways
Deal found 5/8![Qatar Airways logo]()
$1,524
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/47:35 pm
ICN
- STL
1 stop18h 19m
Multiple Airlines
Tue 6/96:00 am
STL
- ICN
2 stops25h 40m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,540
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/17:35 pm
ICN
- STL
1 stop33h 41m
Multiple Airlines
Mon 6/87:41 pm
STL
- ICN
2 stops35h 59m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,547
This Orbitz deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:50 pm
GMP
- STL
2 stops31h 30m
ANA
Wed 11/256:15 am
STL
- GMP
2 stops25h 15m
ANA
Deal found 5/7![ANA logo]()
$1,614
This BusinessClass deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Fri 5/2912:05 pm
GMP
- STL
2 stops21h 31m
Japan Airlines
Fri 7/316:37 am
STL
- GMP
2 stops24h 38m
Japan Airlines
Deal found 5/9![Japan Airlines logo]()
$1,981
Best flights from Seoul to St. LouisDiscover carefully curated flight deals from Seoul to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
Discover carefully curated flight deals from Seoul to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 8/256:00 am
STL
- ICN
2 stops45h 05m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,409
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 5/297:35 pm
ICN
- STL
1 stop37h 10m
Multiple Airlines
Fri 7/312:52 pm
STL
- ICN
2 stops39h 18m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,429
This American Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 pm
ICN
- STL
1 stop19h 06m
American Airlines
Sat 10/314:51 pm
STL
- ICN
2 stops33h 34m
American Airlines
Deal found 5/9![American Airlines logo]()
$1,432
This WestJet deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:45 pm
ICN
- STL
2 stops53h 49m
WestJet
Wed 6/171:59 pm
STL
- ICN
2 stops38h 46m
WestJet
Deal found 5/12![WestJet logo]()
$1,518
This BusinessClass deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Fri 5/2912:05 pm
GMP
- STL
2 stops21h 31m
Japan Airlines
Fri 7/316:37 am
STL
- GMP
2 stops24h 38m
Japan Airlines
Deal found 5/9![Japan Airlines logo]()
$1,981
This Qatar Airways deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/149:08 am
STL
- ICN
2 stops41h 57m
Qatar Airways
Deal found 5/10![Qatar Airways logo]()
$1,475
This Qatar Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Wed 7/152:32 pm
STL
- ICN
2 stops36h 33m
Qatar Airways
Deal found 5/8![Qatar Airways logo]()
$1,475
This Qatar Airways deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/149:08 am
STL
- ICN
2 stops41h 57m
Qatar Airways
Deal found 5/10![Qatar Airways logo]()
$1,524
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/308:00 am
GMP
- STL
2 stops29h 56m
Japan Airlines
Tue 7/148:36 am
STL
- GMP
2 stops22h 39m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$1,984
This Ovago deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
Thu 6/412:05 pm
GMP
- STL
2 stops25h 51m
Japan Airlines
Tue 6/96:35 am
STL
- GMP
2 stops24h 40m
Japan Airlines
Deal found 5/11![Japan Airlines logo]()
$1,987
This BusinessClass deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/238:00 am
GMP
- STL
2 stops29h 56m
Japan Airlines
Tue 7/148:36 am
STL
- GMP
2 stops22h 39m
Japan Airlines
Deal found 5/9![Japan Airlines logo]()
$2,025
This Japan Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 7/278:00 am
GMP
- STL
2 stops24h 57m
Japan Airlines
Tue 8/46:02 am
STL
- GMP
2 stops38h 38m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$2,247
This Japan Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 7/267:15 pm
GMP
- STL
2 stops37h 42m
Japan Airlines
Mon 8/36:02 am
STL
- GMP
2 stops38h 38m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$2,247
This Japan Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 7/267:15 pm
GMP
- STL
2 stops37h 42m
Japan Airlines
Tue 8/46:02 am
STL
- GMP
2 stops38h 38m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$2,247
This KAYAK deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Thu 7/238:00 am
GMP
- STL
2 stops22h 40m
Japan Airlines
Sat 8/19:08 am
STL
- GMP
2 stops22h 07m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$2,263
Last-minute flights from Seoul to St. LouisDiscover last-minute flight deals from Seoul to St. Louis. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to St. Louis. Data last updated May 13, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/185:45 pm
ICN
- STL
2 stops32h 21m
Air Canada
Sat 5/302:15 pm
STL
- ICN
2 stops35h 50m
Air Canada
Deal found 5/12![Air Canada logo]()
$1,581
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 5/297:35 pm
ICN
- STL
1 stop37h 10m
Multiple Airlines
Fri 7/312:52 pm
STL
- ICN
2 stops39h 18m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,429
This BusinessClass deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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.
Fri 5/2912:05 pm
GMP
- STL
2 stops21h 31m
Japan Airlines
Fri 7/316:37 am
STL
- GMP
2 stops24h 38m
Japan Airlines
Deal found 5/9![Japan Airlines logo]()
$1,981
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/17:35 pm
ICN
- STL
1 stop33h 41m
Multiple Airlines
Mon 6/87:41 pm
STL
- ICN
2 stops35h 59m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,547
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/47:35 pm
ICN
- STL
1 stop18h 19m
Multiple Airlines
Tue 6/96:00 am
STL
- ICN
2 stops25h 40m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,540
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:45 pm
ICN
- STL
2 stops32h 21m
Air Canada
Tue 6/92:15 pm
STL
- ICN
2 stops35h 50m
Air Canada
Deal found 5/12![Air Canada logo]()
$1,551
This WestJet deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:45 pm
ICN
- STL
2 stops53h 49m
WestJet
Wed 6/171:59 pm
STL
- ICN
2 stops38h 46m
WestJet
Deal found 5/12![WestJet logo]()
$1,518
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/141:25 pm
STL
- ICN
2 stops37h 40m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,475
This Ovago deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Tue 6/238:45 pm
ICN
- STL
2 stops35h 22m
WestJet
Tue 7/143:58 pm
STL
- ICN
2 stops36h 47m
WestJet
Deal found 5/12![WestJet logo]()
$1,376
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/238:00 am
GMP
- STL
2 stops29h 56m
Japan Airlines
Tue 7/148:36 am
STL
- GMP
2 stops22h 39m
Japan Airlines
Deal found 5/12![Japan Airlines logo]()
$1,984
This Qatar Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 8/256:00 am
STL
- ICN
2 stops45h 05m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,409
This Qatar Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 am
ICN
- STL
2 stops36h 56m
Qatar Airways
Tue 7/141:25 pm
STL
- ICN
2 stops37h 40m
Qatar Airways
Deal found 5/8![Qatar Airways logo]()
$1,524
One-way flights from Seoul to St. LouisSearch for one-way flight options from Seoul to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
Search for one-way flight options from Seoul to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This WestJet deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:45 pm
ICN
- STL
2 stops40h 36m
WestJet
Deal found 5/12![WestJet logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/48:00 am
ICN
- STL
3 stops50h 11m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/269:45 am
ICN
- STL
3 stops47h 38m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$725
This WestJet deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:45 pm
ICN
- STL
2 stops34h 01m
WestJet
Deal found 5/12![WestJet logo]()
$744
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/168:00 am
ICN
- STL
3 stops48h 51m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/58:45 pm
ICN
- STL
3 stops36h 38m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$785
This KAYAK deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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.
Thu 7/210:25 am
ICN
- STL
2 stops46h 17m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/247:25 am
ICN
- STL
3 stops45h 51m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/308:10 am
ICN
- STL
3 stops39h 36m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$802
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/296:00 pm
ICN
- STL
3 stops37h 30m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 8/264:30 pm
GMP
- STL
3 stops38h 33m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$818
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” 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 6/172:25 pm
GMP
- STL
3 stops56h 27m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$929
Find flight deals from Seoul to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to St. Louis (STL). 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 May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,376 (Ovago) |
One-way from | $710 (WestJet) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Seoul to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Wed 6/24
1:20 am-12:16 am
2 stops36h 56m
Lambert-St Louis
Tue 8/25
6:00 am-5:05 pm
2 stops45h 05m
$1,409
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Fri 5/29
7:35 pm-6:45 pm
1 stop37h 10m
Lambert-St Louis
Fri 7/31
2:52 pm-8:10 pm
2 stops39h 18m
$1,429
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Wed 10/28
6:35 pm-11:41 pm
1 stop19h 06m
Lambert-St Louis
Sat 10/31
4:51 pm-4:25 pm
2 stops33h 34m
$1,432
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 6/22
1:20 am-12:16 am
2 stops36h 56m
Lambert-St Louis
Tue 7/14
9:08 am-5:05 pm
2 stops41h 57m
$1,475
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Tue 6/23
1:20 am-12:16 am
2 stops36h 56m
Lambert-St Louis
Wed 7/15
2:32 pm-5:05 pm
2 stops36h 33m
$1,475
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Sun 6/7
8:45 pm-12:34 pm
2 stops53h 49m
Lambert-St Louis
Wed 6/17
1:59 pm-6:45 pm
2 stops38h 46m
$1,518
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 6/29
1:20 am-12:16 am
2 stops36h 56m
Lambert-St Louis
Tue 7/14
9:08 am-5:05 pm
2 stops41h 57m
$1,524
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Fri 5/29
12:05 pm-7:36 pm
2 stops21h 31m
Lambert-St Louis
Fri 7/31
6:37 am-9:15 pm
2 stops24h 38m
$1,981
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Tue 6/30
8:00 am-11:56 pm
2 stops29h 56m
Lambert-St Louis
Tue 7/14
8:36 am-9:15 pm
2 stops22h 39m
$1,984
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Thu 6/4
12:05 pm-11:56 pm
2 stops25h 51m
Lambert-St Louis
Tue 6/9
6:35 am-9:15 pm
2 stops24h 40m
$1,987
Showing 1-10 of 35 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Seoul-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-St. Louis 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 Seoul-St. Louis 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 Seoul to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Seoul with our price prediction graph.
SEL-STL
ICN-STL
GMP-STL
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 Seoul to St. Louis
SEL-STL
ICN-STL
GMP-STL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 13, 2026.
Read through reviews of airlines operating flights from Seoul to St. Louis, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seoul to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Seoul and St. Louis flights
Browse other Seoul and St. Louis flight options. Last updated on May 13, 2026.
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Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 13, 2026.
Top airline flying from Seoul to St. Louis
Discover the top airline that operate flights from Seoul to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$630 | Average$835 | FlexibilityNo cancel fee | On-timeN/A |