$537+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — STL
Apr 24 — May 11
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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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 Seoul to St. Louis
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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 March 25, 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 March 25, 2026.
This Air Canada deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:55 pm
ICN
- STL
2 stops35h 35m
Air Canada
Tue 11/104:15 pm
STL
- ICN
2 stops33h 55m
Air Canada
Deal found 3/24![Air Canada logo]()
$872
This Air Canada deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/75:45 pm
ICN
- STL
2 stops32h 21m
Air Canada
Thu 5/147:05 am
STL
- ICN
1 stop20h 25m
Air Canada
Deal found 3/23![Air Canada logo]()
$953
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Fri 11/66:35 pm
ICN
- STL
1 stop18h 54m
American Airlines
Tue 11/105:17 am
STL
- ICN
1 stop20h 08m
American Airlines
Deal found 3/23![American Airlines logo]()
$979
This Korean Air deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 11/67:30 pm
ICN
- STL
1 stop18h 33m
Korean Air
Tue 11/106:30 am
STL
- ICN
1 stop18h 20m
Korean Air
Deal found 3/24![Korean Air logo]()
$1,055
This BusinessClass deal was found by Cheapflights users on 3/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:40 pm
ICN
- STL
1 stop17h 41m
Korean Air
Sun 5/316:21 am
STL
- ICN
2 stops20h 29m
Korean Air
Deal found 3/21![Korean Air logo]()
$1,070
This Ovago deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/77:20 pm
ICN
- STL
1 stop19h 10m
Korean Air
Thu 5/148:53 am
STL
- ICN
1 stop18h 27m
Korean Air
Deal found 3/23![Korean Air logo]()
$1,121
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 4/147:20 pm
ICN
- STL
1 stop19h 05m
Delta
Tue 4/217:00 am
STL
- ICN
1 stop18h 20m
Delta
Deal found 3/21![Delta logo]()
$1,150
This BusinessClass deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/149:00 pm
ICN
- STL
1 stop16h 59m
Multiple Airlines
Tue 4/213:50 pm
STL
- ICN
1 stop23h 25m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,183
This Korean Air deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
ICN
- STL
1 stop17h 34m
Korean Air
Tue 4/216:20 am
STL
- ICN
1 stop21h 00m
Korean Air
Deal found 3/22![Korean Air logo]()
$1,233
This Japan Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:00 am
GMP
- STL
2 stops22h 15m
Japan Airlines
Mon 10/264:32 pm
STL
- GMP
2 stops35h 48m
Japan Airlines
Deal found 3/24![Japan Airlines logo]()
$1,303
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
GMP
- STL
2 stops29h 57m
Japan Airlines
Tue 4/217:12 am
STL
- GMP
2 stops20h 43m
Japan Airlines
Deal found 3/21![Japan Airlines logo]()
$1,308
This Ovago deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/78:00 am
GMP
- STL
2 stops20h 03m
Japan Airlines
Thu 5/1412:27 pm
STL
- GMP
2 stops32h 13m
Japan Airlines
Deal found 3/23![Japan Airlines logo]()
$1,390
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 March 25, 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 March 25, 2026.
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 4/147:20 pm
ICN
- STL
1 stop19h 05m
Delta
Tue 4/217:00 am
STL
- ICN
1 stop18h 20m
Delta
Deal found 3/21![Delta logo]()
$1,150
This Korean Air deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
ICN
- STL
1 stop17h 34m
Korean Air
Tue 4/216:20 am
STL
- ICN
1 stop21h 00m
Korean Air
Deal found 3/22![Korean Air logo]()
$1,233
This YBTour deal was found by Cheapflights users on 3/20. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:00 pm
ICN
- STL
1 stop30h 55m
Multiple Airlines
Tue 7/217:23 pm
STL
- ICN
1 stop19h 12m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,268
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:50 pm
ICN
- STL
2 stops30h 35m
United Airlines
Wed 4/2210:09 am
STL
- ICN
2 stops28h 11m
United Airlines
Deal found 3/22![United Airlines logo]()
$1,296
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
GMP
- STL
2 stops29h 57m
Japan Airlines
Tue 4/217:12 am
STL
- GMP
2 stops20h 43m
Japan Airlines
Deal found 3/21![Japan Airlines logo]()
$1,308
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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.
Mon 4/277:35 pm
ICN
- STL
1 stop34h 15m
Alaska Airlines
Sat 5/167:41 pm
STL
- ICN
1 stop31h 49m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$1,461
This Trip.com deal was found by Cheapflights users on 3/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:55 pm
GMP
- STL
2 stops30h 16m
ANA
Sun 5/316:14 am
STL
- GMP
2 stops26h 06m
ANA
Deal found 3/21![ANA logo]()
$1,986
This Tourvis deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:15 pm
GMP
- STL
2 stops32h 51m
Japan Airlines
Fri 7/38:25 am
STL
- GMP
2 stops22h 50m
Japan Airlines
Deal found 3/23![Japan Airlines logo]()
$1,417
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 4/137:20 pm
ICN
- STL
1 stop19h 05m
Delta
Sun 4/196:20 am
STL
- ICN
2 stops20h 30m
Delta
Deal found 3/21![Delta logo]()
$1,512
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/2512:05 pm
GMP
- STL
2 stops25h 52m
Japan Airlines
Sat 5/167:12 am
STL
- GMP
2 stops24h 03m
Japan Airlines
Deal found 3/24![Japan Airlines logo]()
$1,642
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/278:00 am
GMP
- STL
2 stops20h 03m
Japan Airlines
Sat 5/1612:27 pm
STL
- GMP
2 stops18h 48m
Japan Airlines
Deal found 3/24![Japan Airlines logo]()
$1,715
This Japan Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 7/68:00 am
GMP
- STL
2 stops29h 59m
Japan Airlines
Thu 7/99:08 am
STL
- GMP
2 stops35h 32m
Japan Airlines
Deal found 3/23![Japan Airlines logo]()
$1,740
This Japan Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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.
Sat 4/1112:05 pm
GMP
- STL
2 stops25h 52m
Multiple Airlines
Tue 4/217:12 am
STL
- GMP
2 stops24h 03m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$2,376
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:05 pm
GMP
- STL
2 stops25h 54m
Japan Airlines
Fri 8/218:35 am
STL
- GMP
2 stops22h 40m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$2,106
This Japan Airlines deal was found by Cheapflights users on 3/21. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:15 pm
GMP
- STL
2 stops42h 42m
Japan Airlines
Tue 4/217:12 am
STL
- GMP
2 stops24h 03m
Japan Airlines
Deal found 3/21![Japan Airlines logo]()
$2,390
Last-minute flights from Seoul to St. LouisDiscover last-minute flight deals from Seoul to St. Louis. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to St. Louis. Data last updated March 25, 2026 and is based on user searches.
This Japan Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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.
Sat 4/1112:05 pm
GMP
- STL
2 stops25h 52m
Multiple Airlines
Tue 4/217:12 am
STL
- GMP
2 stops24h 03m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$2,376
This Japan Airlines deal was found by Cheapflights users on 3/20. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:05 pm
GMP
- STL
2 stops25h 52m
Japan Airlines
Tue 4/217:12 am
STL
- GMP
2 stops24h 03m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$2,391
This Korean Air deal was found by Cheapflights users on 3/21. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:20 pm
ICN
- STL
1 stop19h 05m
Korean Air
Sun 4/199:26 am
STL
- ICN
1 stop17h 54m
Korean Air
Deal found 3/21![Korean Air logo]()
$1,308
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 4/147:20 pm
ICN
- STL
1 stop19h 05m
Delta
Tue 4/217:00 am
STL
- ICN
1 stop18h 20m
Delta
Deal found 3/21![Delta logo]()
$1,150
This BusinessClass deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/149:00 pm
ICN
- STL
1 stop16h 59m
Multiple Airlines
Tue 4/213:50 pm
STL
- ICN
1 stop23h 25m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,183
This Korean Air deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
ICN
- STL
1 stop17h 34m
Korean Air
Tue 4/216:20 am
STL
- ICN
1 stop21h 00m
Korean Air
Deal found 3/22![Korean Air logo]()
$1,233
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
GMP
- STL
2 stops29h 57m
Japan Airlines
Tue 4/217:12 am
STL
- GMP
2 stops20h 43m
Japan Airlines
Deal found 3/21![Japan Airlines logo]()
$1,308
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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.
Tue 4/148:00 am
GMP
- STL
2 stops25h 30m
Multiple Airlines
Tue 4/215:20 am
STL
- GMP
2 stops22h 35m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$1,896
This Ovago deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:35 pm
ICN
- STL
1 stop17h 24m
Multiple Airlines
Wed 4/227:00 am
STL
- ICN
1 stop20h 30m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$1,286
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/2512:05 pm
GMP
- STL
2 stops25h 52m
Japan Airlines
Sat 5/167:12 am
STL
- GMP
2 stops24h 03m
Japan Airlines
Deal found 3/24![Japan Airlines logo]()
$1,642
This Mytrip deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/275:45 pm
ICN
- STL
2 stops59h 40m
Air Canada
Sat 5/167:05 am
STL
- ICN
2 stops43h 00m
Air Canada
Deal found 3/24![Air Canada logo]()
$1,345
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/278:00 am
GMP
- STL
2 stops20h 03m
Japan Airlines
Sat 5/1612:27 pm
STL
- GMP
2 stops18h 48m
Japan Airlines
Deal found 3/24![Japan Airlines logo]()
$1,715
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 March 25, 2026.
Search for one-way flight options from Seoul to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
This FlightHub deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/169:45 am
ICN
- STL
2 stops24h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:20 am
ICN
- STL
3 stops43h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
ICN
- STL
3 stops38h 55m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/228:35 am
ICN
- STL
3 stops48h 46m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:00 pm
ICN
- STL
2 stops46h 00m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Sun 4/2610:00 am
ICN
- STL
2 stops34h 50m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$764
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Tue 6/165:50 pm
ICN
- STL
1 stop17h 47m
American Airlines
Deal found 3/23![American Airlines logo]()
$802
This YBTour deal was found by Cheapflights users on 3/20. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:15 pm
GMP
- STL
2 stops30h 32m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$959
This Trip.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am
GMP
- STL
2 stops21h 48m
Japan Airlines
Deal found 3/22![Japan Airlines logo]()
$1,012
This Justfly.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:55 pm
GMP
- STL
2 stops30h 16m
ANA
Deal found 3/22![ANA logo]()
$1,337
This FlightHub deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:55 pm
GMP
- STL
2 stops30h 27m
ANA
Deal found 3/22![ANA logo]()
$2,272
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 March 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $953 (Air Canada) |
One-way from | $537 (FlightHub) |
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 March 25, 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
Quickest round-trip
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Tue 4/14
7:20 pm-12:25 am
1 stop19h 05m
Lambert-St Louis
Tue 4/21
7:00 am-3:20 pm
1 stop18h 20m
$1,150
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Tue 4/14
7:40 pm-11:14 pm
1 stop17h 34m
Lambert-St Louis
Tue 4/21
6:20 am-5:20 pm
1 stop21h 00m
$1,233
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Thu 7/16
9:00 pm-1:55 pm
1 stop30h 55m
Lambert-St Louis
Tue 7/21
7:23 pm-4:35 am
1 stop19h 12m
$1,268
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Wed 4/15
4:50 pm-9:25 am
2 stops30h 35m
Lambert-St Louis
Wed 4/22
10:09 am-4:20 am
2 stops28h 11m
$1,296
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Tue 4/14
8:00 am-11:57 pm
2 stops29h 57m
Lambert-St Louis
Tue 4/21
7:12 am-5:55 pm
2 stops20h 43m
$1,308
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Tue 6/30
7:15 pm-2:06 pm
2 stops32h 51m
Lambert-St Louis
Fri 7/3
8:25 am-9:15 pm
2 stops22h 50m
$1,417
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/27
7:35 pm-3:50 pm
1 stop34h 15m
Lambert-St Louis
Sat 5/16
7:41 pm-5:30 pm
1 stop31h 49m
$1,461
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
7:20 pm-12:25 am
1 stop19h 05m
Lambert-St Louis
Sun 4/19
6:20 am-4:50 pm
2 stops20h 30m
$1,512
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Sat 4/25
12:05 pm-11:57 pm
2 stops25h 52m
Lambert-St Louis
Sat 5/16
7:12 am-9:15 pm
2 stops24h 03m
$1,642
SeoulSt. Louis
GMP - STL
GMPSTL
Seoul Gimpo Intl
Mon 4/27
8:00 am-2:03 pm
2 stops20h 03m
Lambert-St Louis
Sat 5/16
12:27 pm-9:15 pm
2 stops18h 48m
$1,715
Showing 1-10 of 27 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 March 25, 2026.
Read through reviews of airlines operating flights from Seoul to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 March 25, 2026.
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Browse through other flights departing from Seoul. Flights are based on user searches made on Cheapflights and were last updated on March 25, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 25, 2026.
Top 2 airlines flying from Seoul to St. Louis
Discover the top 2 airlines 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 March 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$568 | Average$1,621 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$630 | Average$835 | FlexibilityNo cancel fee | On-timeN/A |