$423+ Cheap flights from Missouri to Seoul (SEL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SEL
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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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 Missouri to SeoulExplore the most affordable flight options available from Missouri to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Missouri to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
1 stop21h 01m
Mon 9/287:35 pm -
1 stop18h 24m
Deal found 9/15![Alaska Airlines logo]()
$1,080
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop20h 30m
Mon 10/57:35 pm -
1 stop18h 24m
Deal found 9/16![Alaska Airlines logo]()
$1,080
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:02 am -
2 stops25h 23m
Sun 10/251:55 am -
2 stops35h 51m
Deal found 9/18![Multiple Airlines logo]()
$1,081
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 9/196:00 am -
1 stop18h 10m
Mon 9/217:40 pm -
1 stop17h 36m
Deal found 9/17![Delta logo]()
$1,090
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop21h 00m
Sun 9/274:25 pm -
1 stop17h 37m
Deal found 9/19![Delta logo]()
$1,090
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:04 am -
2 stops28h 36m
Wed 11/257:35 pm -
2 stops35h 59m
Deal found 9/16![Multiple Airlines logo]()
$1,091
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:44 pm -
2 stops38h 56m
Wed 11/117:35 pm -
2 stops36h 17m
Deal found 9/19![Multiple Airlines logo]()
$1,091
This Expedia deal was found by Cheapflights users on 9/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
2 stops39h 40m
Mon 10/58:00 am -
2 stops29h 59m
Deal found 9/18![Multiple Airlines logo]()
$1,091
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/165:00 am -
2 stops20h 45m
Fri 9/255:50 pm -
2 stops20h 37m
Deal found 9/15![American Airlines logo]()
$1,095
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:36 pm -
2 stops36h 49m
Sun 9/278:05 pm -
2 stops36h 33m
Deal found 9/19![Multiple Airlines logo]()
$1,099
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:26 am -
2 stops38h 19m
Mon 11/91:55 am -
2 stops35h 04m
Deal found 9/19![Multiple Airlines logo]()
$1,135
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/52:40 pm -
1 stop36h 50m
Wed 11/48:10 pm -
1 stop34h 16m
Deal found 9/15![Air Canada logo]()
$1,140
Best flights from Missouri to SeoulDiscover carefully curated flight deals from Missouri to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Missouri to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Wed 9/231:34 pm -
1 stop37h 56m
Mon 10/57:35 pm -
1 stop18h 24m
Deal found 9/15![Alaska Airlines logo]()
$1,088
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop21h 00m
Sun 9/274:25 pm -
1 stop17h 37m
Deal found 9/19![Delta logo]()
$1,090
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:06 pm -
2 stops27h 44m
Mon 11/97:35 pm -
2 stops36h 08m
Deal found 9/17![Multiple Airlines logo]()
$1,091
This Qatar Airways deal was found by Cheapflights users on 9/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1411:29 am -
2 stops39h 46m
Wed 4/71:20 am -
2 stops31h 57m
Deal found 9/18![Qatar Airways logo]()
$1,260
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop18h 45m
Wed 11/116:50 pm -
1 stop20h 02m
Deal found 9/19![American Airlines logo]()
$1,296
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:13 am -
2 stops46h 42m
Mon 10/57:15 pm -
2 stops34h 29m
Deal found 9/16![Japan Airlines logo]()
$1,405
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/181:41 pm -
2 stops24h 59m
Wed 4/74:50 pm -
2 stops31h 57m
Deal found 9/18![United Airlines logo]()
$1,456
This Cathay Pacific deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:04 am -
2 stops28h 36m
Wed 11/257:35 pm -
2 stops35h 59m
Deal found 9/15![Multiple Airlines logo]()
$1,091
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:00 pm -
1 stop24h 15m
Wed 11/49:35 am -
1 stop26h 16m
Deal found 9/18![Delta logo]()
$1,196
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:34 am -
2 stops36h 16m
Mon 1/253:00 pm -
2 stops41h 12m
Deal found 9/18![Multiple Airlines logo]()
$1,091
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/308:26 am -
1 stop18h 19m
Fri 11/66:50 pm -
1 stop20h 02m
Deal found 9/15![American Airlines logo]()
$1,296
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:47 am -
1 stop19h 38m
Sun 10/256:40 pm -
1 stop20h 04m
Deal found 9/15![Delta logo]()
$1,196
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:44 pm -
2 stops38h 56m
Wed 11/117:35 pm -
2 stops36h 17m
Deal found 9/19![Multiple Airlines logo]()
$1,091
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/196:03 pm -
1 stop20h 37m
Thu 11/2612:45 pm -
1 stop20h 05m
Deal found 9/16![United Airlines logo]()
$1,458
This FlightHub deal was found by Cheapflights users on 9/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:13 am -
2 stops26h 02m
Sun 9/278:00 am -
2 stops29h 59m
Deal found 9/19![Japan Airlines logo]()
$1,461
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:47 am -
1 stop17h 33m
Sun 10/256:40 pm -
1 stop20h 04m
Deal found 9/19![Delta logo]()
$1,246
This Cathay Pacific deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:29 am -
2 stops36h 21m
Fri 11/67:35 pm -
2 stops41h 16m
Deal found 9/15![Multiple Airlines logo]()
$1,191
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/35:45 am -
2 stops19h 30m
Tue 11/1012:45 pm -
1 stop19h 22m
Deal found 9/19![United Airlines logo]()
$1,508
This Justfly.com deal was found by Cheapflights users on 9/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:12 am -
2 stops45h 53m
Fri 12/1112:05 pm -
2 stops42h 06m
Deal found 9/17![Japan Airlines logo]()
$1,525
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:20 pm -
1 stop25h 40m
Mon 10/56:50 pm -
1 stop19h 01m
Deal found 9/19![Delta logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 12/65:19 pm -
2 stops31h 56m
Fri 12/116:30 pm -
1 stop20h 05m
Deal found 9/17![United Airlines logo]()
$1,508
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:31 pm -
2 stops35h 19m
Tue 12/296:40 pm -
1 stop21h 06m
Deal found 9/19![Delta logo]()
$1,338
This Japan Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 11/27:25 am -
2 stops23h 40m
Mon 11/98:15 am -
2 stops23h 28m
Deal found 9/17![Multiple Airlines logo]()
$1,371
This Justfly.com deal was found by Cheapflights users on 9/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:22 am -
2 stops21h 53m
Fri 10/238:00 am -
2 stops29h 59m
Deal found 9/17![Japan Airlines logo]()
$1,670
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 12/156:00 am -
1 stop19h 25m
Mon 12/286:00 pm -
1 stop26h 26m
Deal found 9/17![United Airlines logo]()
$1,540
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:17 pm -
2 stops31h 33m
Fri 10/301:50 pm -
2 stops38h 31m
Deal found 9/16![Multiple Airlines logo]()
$1,400
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 12/106:15 am -
2 stops32h 25m
Tue 12/156:00 pm -
2 stops20h 30m
Deal found 9/19![United Airlines logo]()
$1,567
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:00 pm -
2 stops32h 50m
Mon 1/257:25 pm -
1 stop18h 07m
Deal found 9/18![Delta logo]()
$1,462
This Ovago deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/226:32 am -
2 stops24h 43m
Sun 10/258:15 am -
2 stops22h 38m
Deal found 9/15![Japan Airlines logo]()
$1,772
This Japan Airlines deal was found by Cheapflights users on 9/19. 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.
Tue 11/37:26 am -
2 stops23h 39m
Tue 11/108:15 am -
2 stops26h 07m
Deal found 9/19![Multiple Airlines logo]()
$1,470
Last-minute flights from Missouri to SeoulDiscover last-minute flight deals from Missouri to Seoul. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Seoul. Data last updated September 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 9/196:00 am -
1 stop18h 10m
Mon 9/217:40 pm -
1 stop17h 36m
Deal found 9/17![Delta logo]()
$1,090
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Sat 9/195:00 am -
2 stops20h 45m
Mon 9/215:50 pm -
2 stops20h 37m
Deal found 9/15![American Airlines logo]()
$1,095
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:36 pm -
2 stops36h 49m
Sun 9/278:05 pm -
2 stops36h 33m
Deal found 9/19![Multiple Airlines logo]()
$1,099
This Expedia deal was found by Cheapflights users on 9/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
2 stops39h 40m
Mon 10/58:00 am -
2 stops29h 59m
Deal found 9/18![Multiple Airlines logo]()
$1,091
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop20h 30m
Mon 10/57:35 pm -
1 stop18h 24m
Deal found 9/16![Alaska Airlines logo]()
$1,080
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop21h 00m
Sun 9/274:25 pm -
1 stop17h 37m
Deal found 9/19![Delta logo]()
$1,090
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
1 stop21h 01m
Mon 9/287:35 pm -
1 stop18h 24m
Deal found 9/15![Alaska Airlines logo]()
$1,080
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/52:40 pm -
1 stop36h 50m
Wed 11/48:10 pm -
1 stop34h 16m
Deal found 9/15![Air Canada logo]()
$1,140
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:17 am -
2 stops26h 08m
Thu 10/228:00 am -
2 stops29h 59m
Deal found 9/17![Multiple Airlines logo]()
$1,144
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:17 am -
2 stops26h 08m
Fri 10/238:05 pm -
2 stops41h 54m
Deal found 9/17![Multiple Airlines logo]()
$1,141
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:02 am -
2 stops25h 23m
Sun 10/251:55 am -
2 stops35h 51m
Deal found 9/18![Multiple Airlines logo]()
$1,081
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:04 am -
2 stops28h 36m
Wed 11/257:35 pm -
2 stops35h 59m
Deal found 9/16![Multiple Airlines logo]()
$1,091
One-way flights from Missouri to SeoulSearch for one-way flight options from Missouri to Seoul. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Missouri to Seoul. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Mon 11/26:44 pm -
3 stops59h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 11/215:15 pm -
2 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 11/46:44 pm -
2 stops59h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$492
This Gurufare deal was found by Cheapflights users on 9/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:21 pm -
2 stops57h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Cathay Pacific logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 11/16:00 am -
2 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 11/210:25 am -
1 stop28h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 11/12:25 pm -
1 stop34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$594
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm -
1 stop35h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$600
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:25 am -
2 stops38h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sun 11/18:43 pm -
3 stops49h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$621
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops46h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sun 11/229:09 am -
3 stops57h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$796
Find flight deals from Missouri to Seoul
Keep the following information in mind while searching for Missouri to Seoul flight deals. Data was last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,081 (Cathay Pacific) |
One-way from | $423 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,205 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 September 20, 2026.
Use the filters below to find and compare flights from Missouri to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Mon 11/2
6:44 pm-9:20 pm
3 stops59h 36m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$423
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Sun 11/22
7:18 pm-3:30 pm
1 stop29h 12m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$582
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Mon 11/2
10:25 am-5:45 am
1 stop28h 20m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$582
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Sun 11/1
2:25 pm-3:30 pm
1 stop34h 05m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$594
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Wed 11/4
4:05 pm-6:25 pm
1 stop35h 20m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$600
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Sun 11/22
7:25 am-12:45 pm
2 stops38h 20m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$621
Kansas CityIncheon
MCI Kansas City - ICN Incheon Intl
MCIICN
Kansas City
Sun 11/1
8:43 pm-12:45 pm
3 stops49h 02m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$621
Quickest round-trip
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Sat 11/21
6:40 am-4:50 pm
1 stop19h 10m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$647
St. LouisIncheon
STL Lambert-St Louis - ICN Incheon Intl
STLICN
Lambert-St Louis
Sat 11/21
5:15 pm-5:30 am
3 stops45h 15m
Incheon Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$692
St. LouisSeoul
STL Lambert-St Louis - GMP Seoul Gimpo Intl
STLGMP
Lambert-St Louis
Mon 11/2
6:00 am-7:15 pm
2 stops46h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$732
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from Missouri to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Missouri with our price prediction graph.
STL-ICN
MCI-ICN
SGF-ICN
STL-GMP
MCI-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 Missouri to Seoul
USMO-SEL
STL-ICN
MCI-ICN
SGF-ICN
STL-GMP
What is the cheapest month to book a flight from Missouri to Seoul?
Currently, February is the cheapest month in which you can book a flight from Missouri to Seoul (average of $868). Flying from Missouri to Seoul in July is currently the most expensive (average of $1,691). 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.
How much does it cost to fly round-trip from Missouri to Seoul?
Airfare is typical for this route at the moment.
Missouri to Seoul flights typically cost between $888 and $1,360 in October.The cheapest round-trip price found within the last 5 days was $1,081 on Multiple Airlines (Oct 19-Oct 25).
Related info for your journey
Find useful and relevant information for your journey from Missouri to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Missouri to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Seoul by cabin class
Find flights from Missouri to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Seoul flights
Browse other Missouri and Seoul flight options. Last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 20, 2026.
Missouri to Seoul flights
Consider these flights traveling from Missouri to Seoul.
Top 6 airlines flying from Missouri to Seoul
Discover the top 6 airlines that operate flights from Missouri 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 September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$769 | Average$1,356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$832 | Average$1,493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$865 | Average$1,352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$999 | Average$1,624 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,083 | Average$1,287 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,204 | Average$1,772 | FlexibilityNo cancel fee | On-time76% |