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$755+ Cheap flights from Gimpo Intl (GMP) 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — STL
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Gimpo Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Gimpo Intl (GMP) 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 20, 2025.

Round-trip from

$946
(Japan Airlines)

One-way from

$755
(Ovago)
From Seoul Gimpo Intl to Lambert-St Louis
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One-way flight from Seoul Gimpo Intl to Lambert-St Louis
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Find flight deals from Gimpo Intl to St. Louis

Cheapest flights from Gimpo Intl to St. Louis
Explore the most affordable flight options available from Gimpo Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/217:50 amGMP - STL
2 stops26h 37mJapan Airlines
Fri 12/57:13 amSTL - GMP
2 stops24h 07mJapan Airlines
Deal found 8/19$946
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Mon 9/1512:05 pmGMP - STL
2 stops39h 18mJapan Airlines
Tue 10/148:49 amSTL - GMP
2 stops23h 01mJapan Airlines
Deal found 8/19$1,085
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 10/297:50 amGMP - STL
2 stops24h 30mJapan Airlines
Wed 11/127:00 amSTL - GMP
2 stops24h 20mJapan Airlines
Deal found 8/19$1,137
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:50 pmGMP - STL
2 stops36h 49mANA
Tue 11/188:00 amSTL - GMP
2 stops43h 35mANA
Deal found 8/20$1,234
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/267:55 amGMP - STL
2 stops19h 36mJapan Airlines
Tue 9/308:50 amSTL - GMP
2 stops23h 00mJapan Airlines
Deal found 8/19$1,241
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:40 amGMP - STL
2 stops44h 39mANA
Tue 9/309:20 amSTL - GMP
2 stops35h 45mANA
Deal found 8/19$1,250
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/227:55 amGMP - STL
2 stops19h 28mJapan Airlines
Sun 9/288:50 amSTL - GMP
2 stops23h 00mJapan Airlines
Deal found 8/19$1,295
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 11/37:50 amGMP - STL
2 stops20h 57mJapan Airlines
Tue 12/27:00 amSTL - GMP
2 stops24h 20mJapan Airlines
Deal found 8/19$1,354
This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:40 amGMP - STL
2 stops24h 43mANA
Thu 10/1612:25 pmSTL - GMP
2 stops43h 55mANA
Deal found 8/18$1,394
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:55 pmGMP - STL
2 stops35h 57mANA
Wed 9/38:20 amSTL - GMP
2 stops24h 00mANA
Deal found 8/19$1,399
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Fri 10/317:50 amGMP - STL
2 stops22h 19mJapan Airlines
Sun 11/27:00 amSTL - GMP
2 stops24h 20mJapan Airlines
Deal found 8/19$1,404

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl 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 20, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to St. Louis that are best for you.

Fly from

Gimpo Intl

Fly to

St. Louis

Route

Depart

Return

Price

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 11/21

7:50 am-7:27 pm

2 stops26h 37m

Lambert-St Louis

Fri 12/5

7:13 am-10:20 pm

2 stops24h 07m

$946

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 9/15

12:05 pm-1:23 pm

2 stops39h 18m

Lambert-St Louis

Tue 10/14

8:49 am-9:50 pm

2 stops23h 01m

$1,085

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 10/29

7:50 am-6:20 pm

2 stops24h 30m

Lambert-St Louis

Wed 11/12

7:00 am-10:20 pm

2 stops24h 20m

$1,137

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Tue 11/11

7:50 pm-5:39 pm

2 stops36h 49m

Lambert-St Louis

Tue 11/18

8:00 am-6:35 pm

2 stops43h 35m

$1,234

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 11/20

12:25 pm-10:51 am

2 stops37h 26m

Lambert-St Louis

Fri 11/28

11:05 am-10:30 pm

2 stops44h 25m

$1,234

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 9/26

7:55 am-1:31 pm

2 stops19h 36m

Lambert-St Louis

Tue 9/30

8:50 am-9:50 pm

2 stops23h 00m

$1,241

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 9/15

7:40 am-2:19 pm

2 stops44h 39m

Lambert-St Louis

Tue 9/30

9:20 am-11:05 am

2 stops35h 45m

$1,250

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 9/22

7:55 am-1:23 pm

2 stops19h 28m

Lambert-St Louis

Sun 9/28

8:50 am-9:50 pm

2 stops23h 00m

$1,295

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 9/24

7:55 am-1:31 pm

2 stops19h 36m

Lambert-St Louis

Thu 10/16

8:49 am-9:50 pm

2 stops23h 01m

$1,295

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 11/3

7:50 am-1:47 pm

2 stops20h 57m

Lambert-St Louis

Tue 12/2

7:00 am-10:20 pm

2 stops24h 20m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 21 results
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Best time to book a flight from Gimpo Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Gimpo Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl 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 Gimpo Intl?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Seoul Gimpo Intl to St. Louis. 0 airlines have flights to Lambert-St Louis from Seoul Gimpo Intl on a regular basis. Booking flights from Seoul Gimpo Intl to Lambert-St Louis should not be difficult; the airport handles an average of 0 inbound flights from Seoul Gimpo Intl per day.

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

    Departing from Seoul Gimpo Intl Airport to St. Louis will take you 26h 37m. The distance from Seoul Gimpo Intl Airport to St. Louis is about 6654 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gimpo Intl 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.

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to St. Louis (average of $311). Flying from Seoul Gimpo Intl Airport to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near St. Louis?

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