$652+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — STL
Sep 5 — Sep 121
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seoul to St. Louis
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Best
Last-minute
One-way
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 August 6, 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 August 6, 2026.
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:50 pm -
1 stop29h 34m
Mon 9/145:13 pm -
2 stops56h 32m
Deal found 8/1![American Airlines logo]()
$966
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:50 pm -
1 stop16h 36m
Fri 1/226:00 am -
1 stop19h 25m
Deal found 8/3![American Airlines logo]()
$976
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:30 am -
2 stops21h 02m
Mon 9/144:40 pm -
2 stops21h 40m
Deal found 8/2![United Airlines logo]()
$992
This Air Canada deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 12/26:55 pm -
2 stops35h 31m
Wed 12/164:05 pm -
2 stops34h 05m
Deal found 8/4![Air Canada logo]()
$1,018
This Japan Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
2 stops29h 30m
Mon 9/147:21 am -
2 stops23h 54m
Deal found 8/2![Japan Airlines logo]()
$1,100
This Tourvis deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Wed 12/212:05 pm -
2 stops26h 52m
Wed 12/167:00 am -
2 stops24h 05m
Deal found 8/4![Japan Airlines logo]()
$1,531
This Japan Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:00 am -
2 stops30h 45m
Mon 11/96:00 am -
2 stops25h 05m
Deal found 8/1![Japan Airlines logo]()
$1,555
This Japan Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am -
2 stops22h 24m
Mon 8/176:00 am -
2 stops38h 40m
Deal found 8/3![Japan Airlines logo]()
$4,379
This Japan Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:05 pm -
2 stops24h 54m
Mon 8/179:32 am -
2 stops21h 43m
Deal found 8/4![Multiple Airlines logo]()
$5,493
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 August 6, 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 August 6, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/115:50 pm -
1 stop29h 34m
Mon 9/1410:45 am -
2 stops39h 00m
Deal found 8/5![American Airlines logo]()
$978
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:30 am -
2 stops21h 02m
Mon 9/144:40 pm -
2 stops21h 40m
Deal found 8/2![United Airlines logo]()
$992
This Japan Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
2 stops29h 30m
Mon 9/147:21 am -
2 stops23h 54m
Deal found 8/2![Japan Airlines logo]()
$1,100
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:50 pm -
2 stops28h 34m
Fri 1/226:00 am -
1 stop19h 25m
Deal found 8/3![American Airlines logo]()
$981
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:30 am -
2 stops23h 16m
Fri 1/221:30 pm -
2 stops25h 10m
Deal found 8/3![United Airlines logo]()
$1,256
This Japan Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:05 pm -
2 stops24h 54m
Mon 8/179:32 am -
2 stops21h 43m
Deal found 8/4![Multiple Airlines logo]()
$5,493
This Japan Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am -
2 stops22h 24m
Mon 8/176:00 am -
2 stops38h 40m
Deal found 8/2![Japan Airlines logo]()
$4,379
Last-minute flights from Seoul to St. LouisDiscover last-minute flight deals from Seoul to St. Louis. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to St. Louis. Data last updated August 6, 2026 and is based on user searches.
This Japan Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am -
2 stops22h 24m
Mon 8/176:00 am -
2 stops38h 40m
Deal found 8/3![Japan Airlines logo]()
$4,379
This Japan Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:05 pm -
2 stops24h 54m
Mon 8/179:32 am -
2 stops21h 43m
Deal found 8/4![Multiple Airlines logo]()
$5,493
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:50 pm -
1 stop16h 36m
Fri 1/226:00 am -
1 stop19h 25m
Deal found 8/3![American Airlines logo]()
$976
This Japan Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
2 stops29h 30m
Mon 9/147:21 am -
2 stops23h 54m
Deal found 8/2![Japan Airlines logo]()
$1,100
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:50 pm -
1 stop29h 34m
Mon 9/145:13 pm -
2 stops56h 32m
Deal found 8/1![American Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:30 am -
2 stops21h 02m
Mon 9/144:40 pm -
2 stops21h 40m
Deal found 8/2![United Airlines logo]()
$992
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 August 6, 2026.
Search for one-way flight options from Seoul to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:30 pm -
3 stops42h 20m
Deal found 8/3![Multiple Airlines logo]()
$652
This Orbitz deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:45 pm -
2 stops34h 17m
Deal found 8/1![Air Canada logo]()
$798
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:50 pm -
1 stop19h 52m
Deal found 8/1![American Airlines logo]()
$802
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/198:45 pm -
2 stops38h 06m
Deal found 8/6![WestJet logo]()
$1,870
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/188:45 pm -
2 stops56h 59m
Deal found 8/4![Multiple Airlines logo]()
$2,034
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/198:45 pm -
2 stops32h 59m
Deal found 8/4![Multiple Airlines logo]()
$2,175
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:05 pm -
2 stops25h 41m
Deal found 8/6![Japan Airlines logo]()
$2,530
This American Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am -
2 stops22h 24m
Deal found 8/2![Multiple Airlines logo]()
$2,620
This WhyPayMore deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:15 pm -
2 stops41h 44m
Deal found 8/2![Japan Airlines logo]()
$2,925
This FlightHub deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/197:55 pm -
2 stops37h 06m
Deal found 8/5![ANA logo]()
$3,518
This BusinessClass deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Sun 10/1812:40 pm -
2 stops21h 01m
Deal found 8/4![ANA logo]()
$4,135
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $966 (American Airlines) |
One-way from | $652 (Kiwi.com) |
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 August 6, 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 Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Fri 9/11
5:50 pm-9:24 am
1 stop29h 34m
Lambert-St Louis
Mon 9/14
10:45 am-3:45 pm
2 stops39h 00m
$978
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Sat 9/5
5:50 pm-8:24 am
2 stops28h 34m
Lambert-St Louis
Fri 1/22
6:00 am-4:25 pm
1 stop19h 25m
$981
Quickest round-trip
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Fri 9/11
11:30 am-6:32 pm
2 stops21h 02m
Lambert-St Louis
Mon 9/14
4:40 pm-4:20 am
2 stops21h 40m
$992
SeoulSt. Louis
GMP Seoul Gimpo Intl - STL Lambert-St Louis
GMPSTL
Seoul Gimpo Intl
Thu 9/10
8:00 am-11:30 pm
2 stops29h 30m
Lambert-St Louis
Mon 9/14
7:21 am-9:15 pm
2 stops23h 54m
$1,100
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Sat 9/5
11:30 am-8:46 pm
2 stops23h 16m
Lambert-St Louis
Fri 1/22
1:30 pm-5:40 am
2 stops25h 10m
$1,256
SeoulSt. Louis
GMP Seoul Gimpo Intl - STL Lambert-St Louis
GMPSTL
Seoul Gimpo Intl
Wed 8/12
8:00 am-4:24 pm
2 stops22h 24m
Lambert-St Louis
Mon 8/17
6:00 am-10:40 am
2 stops38h 40m
$4,379
SeoulSt. Louis
GMP Seoul Gimpo Intl - STL Lambert-St Louis
GMPSTL
Seoul Gimpo Intl
Wed 8/12
12:05 pm-10:59 pm
2 stops24h 54m
Lambert-St Louis
Mon 8/17
9:32 am-9:15 pm
2 stops21h 43m
$5,493
Cheapest one-way
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Thu 9/3
1:30 pm-5:50 pm
3 stops42h 20m
$652
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Thu 9/3
5:45 pm-2:02 pm
2 stops34h 17m
$798
IncheonSt. Louis
ICN Incheon Intl - STL Lambert-St Louis
ICNSTL
Incheon Intl
Mon 10/19
8:45 pm-3:44 pm
2 stops32h 59m
$2,175
Showing 1-10 of 19 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.
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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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