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St. Louis

$613+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — STL
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap flight deals from Seoul to St. Louis

Cheapest flights from Seoul to St. Louis
Explore the most affordable flight options available from Seoul to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.

This Qatar Airways deal was found by Cheapflights users on 5/6. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:20 am
ICN
-
STL
2 stops36h 39m
Qatar Airways
Wed 10/287:00 am
STL
-
ICN
2 stops37h 30m
Qatar Airways
Deal found 5/6$1,361
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:45 pm
ICN
-
STL
2 stops38h 09m
Multiple Airlines
Tue 6/239:09 am
STL
-
ICN
2 stops41h 56m
Multiple Airlines
Deal found 5/3$1,409
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:20 am
ICN
-
STL
2 stops36h 56m
Qatar Airways
Wed 8/266:00 am
STL
-
ICN
2 stops38h 30m
Qatar Airways
Deal found 5/5$1,413
This Qatar Airways deal was found by Cheapflights users on 5/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:20 am
ICN
-
STL
2 stops36h 56m
Qatar Airways
Thu 2/187:00 am
STL
-
ICN
2 stops43h 15m
Qatar Airways
Deal found 5/4$1,438
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:20 am
ICN
-
STL
2 stops32h 24m
Qatar Airways
Wed 8/266:00 am
STL
-
ICN
2 stops38h 30m
Qatar Airways
Deal found 5/5$1,461
This Qatar Airways deal was found by Cheapflights users on 5/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:20 am
ICN
-
STL
2 stops36h 56m
Qatar Airways
Tue 7/142:32 pm
STL
-
ICN
2 stops36h 33m
Qatar Airways
Deal found 5/4$1,463
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:45 pm
ICN
-
STL
2 stops38h 09m
Multiple Airlines
Fri 6/126:02 am
STL
-
ICN
2 stops45h 28m
Multiple Airlines
Deal found 5/5$1,466
This Priceline deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:20 am
ICN
-
STL
2 stops38h 36m
Qatar Airways
Wed 11/253:23 pm
STL
-
ICN
2 stops28h 07m
Qatar Airways
Deal found 5/7$1,476
This Qatar Airways deal was found by Cheapflights users on 5/6. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:20 am
ICN
-
STL
2 stops36h 56m
Qatar Airways
Sat 8/156:02 am
STL
-
ICN
2 stops45h 03m
Qatar Airways
Deal found 5/6$1,510
This Qatar Airways deal was found by Cheapflights users on 5/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:20 am
ICN
-
STL
2 stops36h 39m
Qatar Airways
Tue 7/141:25 pm
STL
-
ICN
2 stops37h 40m
Qatar Airways
Deal found 5/4$1,525
This Orbitz deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:50 pm
GMP
-
STL
2 stops31h 30m
ANA
Wed 11/256:15 am
STL
-
GMP
2 stops25h 15m
ANA
Deal found 5/7$1,614
This Orbitz deal was found by Cheapflights users on 5/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:15 pm
GMP
-
STL
2 stops42h 44m
Japan Airlines
Wed 8/268:36 am
STL
-
GMP
2 stops22h 39m
Japan Airlines
Deal found 5/5$1,703

Find flight deals from Seoul to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,361
(Qatar Airways)

One-way from

$613
(Kiwi.com)
Provider with most accurate pricing for Seoul (SEL)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Lambert-St Louis flights.
Search Deals
From Seoul (SEL) to Lambert-St Louis
Search Deals
One-way flight from Seoul (SEL) to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 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

Price

Cheapest round-trip

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 10/13

1:20 am-11:59 pm

2 stops36h 39m

Lambert-St Louis

Wed 10/28

7:00 am-10:30 am

2 stops37h 30m

$1,361

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Tue 6/16

1:20 am-12:16 am

2 stops36h 56m

Lambert-St Louis

Thu 2/18

7:00 am-5:15 pm

2 stops43h 15m

$1,438

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 6/22

1:20 am-12:16 am

2 stops36h 56m

Lambert-St Louis

Tue 7/14

2:32 pm-5:05 pm

2 stops36h 33m

$1,463

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 6/29

1:20 am-12:16 am

2 stops36h 56m

Lambert-St Louis

Tue 7/14

2:32 pm-5:05 pm

2 stops36h 33m

$1,463

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 6/5

11:45 pm-11:54 pm

2 stops38h 09m

Lambert-St Louis

Fri 6/12

6:02 am-5:30 pm

2 stops45h 28m

$1,466

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 10/23

5:45 pm-2:00 pm

2 stops34h 15m

Lambert-St Louis

Tue 10/27

4:15 pm-4:10 pm

2 stops33h 55m

$1,586

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 7/8

7:15 pm-11:59 pm

2 stops42h 44m

Lambert-St Louis

Wed 8/26

8:36 am-9:15 pm

2 stops22h 39m

$1,703

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 10/23

7:15 pm-11:05 pm

2 stops41h 50m

Lambert-St Louis

Tue 10/27

8:30 am-10:05 pm

2 stops23h 35m

$1,805

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Tue 6/23

8:00 am-11:56 pm

2 stops29h 56m

Lambert-St Louis

Tue 7/14

6:37 am-9:15 pm

2 stops24h 38m

$1,821

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 8/20

8:00 am-10:55 pm

2 stops28h 55m

Lambert-St Louis

Fri 8/21

8:36 am-9:15 pm

2 stops22h 39m

$1,861

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 39 resultsSorted by cheapest first
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  • 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.
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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated May 7, 2026.
Read through reviews of airlines operating flights from Seoul to St. Louis, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,459 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,459 reviews
Delta
7.9
Good
8,459 reviews

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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.

  • What airport do you fly into for flights to St. Louis from Seoul?

    If you book a flight to St. Louis from Seoul, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Seoul to Lambert-St Louis per day from 1 airline.

  • How long is the flight from Seoul to St. Louis?

    Qatar Airways and Japan Airlines can get you from Seoul to St. Louis in just under 36h 56m. Your travel time can differ by up to 5h 48m. The distance between Seoul and St. Louis is about 6670 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seoul to St. Louis round-trip?

    Currently priced at $630, Delta will fly you from Seoul to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Seoul to St. Louis that include hotel bookings?

    Yes. In addition to deals on Seoul to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to St. Louis.

  • Can I find deals for business class flights from Seoul to St. Louis?

    Yes. Cheapflights offers flight deals from Seoul to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to St. Louis flights
Incheon Intl to Springfield flights

Top airline flying from Seoul to St. Louis

Discover the top airline that operate flights from Seoul to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$630Average$835FlexibilityNo cancel feeOn-timeN/A

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