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St. Louis

$674+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — STL
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Japan Airlines deal was found by Cheapflights users on 2/9. 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 10/168:00 am
GMP
-
STL
2 stops29h 05m
Japan Airlines
Mon 10/196:30 am
STL
-
GMP
2 stops24h 45m
Japan Airlines
Deal found 2/9$1,350
This BusinessClass deal was found by Cheapflights users on 2/11. 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 4/78:00 am
GMP
-
STL
2 stops29h 57m
Japan Airlines
Thu 5/712:25 pm
STL
-
GMP
2 stops18h 50m
Japan Airlines
Deal found 2/11$1,358
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Sat 4/118:00 am
GMP
-
STL
2 stops20h 01m
Japan Airlines
Tue 4/217:12 am
STL
-
GMP
2 stops20h 43m
Japan Airlines
Deal found 2/10$1,423

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,358
(BusinessClass)

One-way from

$674
(Gotogate)
Provider with most accurate pricing for Seoul Gimpo Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul Gimpo Intl-Lambert-St Louis flights.
Search Deals
From Seoul Gimpo Intl to Lambert-St Louis
Search Deals
One-way flight from Seoul Gimpo Intl to Lambert-St Louis
Search Deals

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 February 13, 2026.
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

Tue 4/7

8:00 am-11:57 pm

2 stops29h 57m

Lambert-St Louis

Thu 5/7

12:25 pm-9:15 pm

2 stops18h 50m

$1,358

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Sat 4/11

8:00 am-2:01 pm

2 stops20h 01m

Lambert-St Louis

Tue 4/21

7:12 am-5:55 pm

2 stops20h 43m

$1,423

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Tue 7/14

12:40 pm-8:02 pm

2 stops21h 22m

$674

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 6/4

12:40 pm-8:04 pm

2 stops21h 24m

$677

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 6/3

7:15 pm-11:56 pm

2 stops42h 41m

$843

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Wed 7/15

7:15 pm-11:59 pm

2 stops42h 44m

$983

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 6/1

8:00 am-2:06 pm

2 stops20h 06m

$992

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Tue 6/2

8:00 am-2:06 pm

2 stops20h 06m

$992

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Fri 7/31

8:00 am-6:30 pm

2 stops24h 30m

$1,058

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Sat 6/6

7:15 pm-12:39 pm

2 stops31h 24m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 11 results
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2
  • Most accurate provider: When it comes to deals on Seoul Gimpo Intl Airport-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 Gimpo Intl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul Gimpo Intl Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul Gimpo Intl Airport-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 Gimpo Intl Airport-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 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 29h 57m. 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.

See more FAQs

Traveling to a place near St. Louis?

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