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Gimpo Intl

$583+ Cheap flights from St. Louis (STL) to Gimpo Intl (GMP)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GMP
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from St. Louis to Gimpo Intl

Cheapest flights from St. Louis to Gimpo Intl
Explore the most affordable flight options available from St. Louis to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/27. 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.
lun. 9/77:01 am
STL
-
GMP
2 stops20h 59m
Japan Airlines
mar. 9/157:55 am
GMP
-
STL
2 stops19h 07m
Japan Airlines
Deal found 1/27$1,057
This Gurufare deal was found by Cheapflights users on 1/27. 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.
mar. 9/87:01 am
STL
-
GMP
2 stops20h 59m
Japan Airlines
mié. 9/167:55 am
GMP
-
STL
2 stops29h 07m
Japan Airlines
Deal found 1/27$1,061
This Travelocity deal was found by Cheapflights users on 1/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/86:30 am
STL
-
GMP
2 stops25h 20m
Japan Airlines
mar. 9/157:55 am
GMP
-
STL
2 stops19h 07m
Japan Airlines
Deal found 1/27$1,091
This Japan Airlines deal was found by Cheapflights users on 1/28. 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.
jue. 4/168:53 am
STL
-
GMP
2 stops22h 57m
Multiple Airlines
mié. 4/228:00 am
GMP
-
STL
2 stops19h 59m
Multiple Airlines
Deal found 1/28$1,107
This FlightHub deal was found by Cheapflights users on 1/27. 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.
jue. 4/168:53 am
STL
-
GMP
2 stops35h 52m
Japan Airlines
mié. 4/227:55 am
GMP
-
STL
2 stops28h 19m
Japan Airlines
Deal found 1/27$1,172
This Japan Airlines deal was found by Cheapflights users on 1/28. 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.
dom. 2/17:15 am
STL
-
GMP
2 stops23h 50m
Multiple Airlines
mar. 2/312:05 pm
GMP
-
STL
2 stops26h 54m
Multiple Airlines
Deal found 1/28$1,239
This KAYAK deal was found by Cheapflights users on 1/28. 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.
dom. 4/196:20 am
STL
-
GMP
2 stops25h 30m
Japan Airlines
mar. 4/287:55 am
GMP
-
STL
2 stops20h 04m
Japan Airlines
Deal found 1/28$1,268
This FlightHub deal was found by Cheapflights users on 1/27. 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.
sáb. 10/246:30 am
STL
-
GMP
2 stops25h 35m
Japan Airlines
mar. 11/312:05 pm
GMP
-
STL
2 stops26h 37m
Japan Airlines
Deal found 1/27$1,273
This Japan Airlines deal was found by Cheapflights users on 1/29. 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.
sáb. 8/19:17 am
STL
-
GMP
2 stops21h 58m
Japan Airlines
jue. 8/138:00 am
GMP
-
STL
2 stops24h 34m
Japan Airlines
Deal found 1/29$1,368
This Japan Airlines deal was found by Cheapflights users on 1/27. 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.
jue. 1/291:35 pm
STL
-
GMP
2 stops30h 20m
Japan Airlines
lun. 2/27:40 pm
GMP
-
STL
2 stops43h 19m
Japan Airlines
Deal found 1/27$1,405

Find flight deals from St. Louis to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Gimpo Intl (GMP). 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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,107
(Japan Airlines)

One-way from

$583
(FlightHub)

Popular in

July

Cheapest in

October

Average price

$866
Provider with most accurate pricing for Lambert-St Louis-Seoul Gimpo Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Seoul Gimpo Intl flights.
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From Lambert-St Louis to Seoul Gimpo Intl
Search Deals
One-way flight from Lambert-St Louis to Seoul Gimpo Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Gimpo Intl 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 enero 29, 2026.
Use the filters below to find and compare flights from St. Louis to Seoul Gimpo Intl Airport that are best for you.

Fly from

St. Louis

Fly to

Gimpo Intl

Route

Depart

Return

Price

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

jue. 4/16

8:53 am-9:50 pm

2 stops22h 57m

Seoul Gimpo Intl

mié. 4/22

8:00 am-1:59 pm

2 stops19h 59m

$1,107

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

jue. 4/16

8:53 am-10:45 am

2 stops35h 52m

Seoul Gimpo Intl

mié. 4/22

7:55 am-10:14 pm

2 stops28h 19m

$1,172

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

dom. 4/19

6:20 am-9:50 pm

2 stops25h 30m

Seoul Gimpo Intl

mar. 4/28

7:55 am-1:59 pm

2 stops20h 04m

$1,268

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

jue. 5/28

6:36 am-9:50 pm

2 stops25h 14m

Seoul Gimpo Intl

vie. 6/12

7:20 pm-12:41 pm

2 stops31h 21m

$1,455

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

lun. 3/2

2:19 pm-10:55 am

2 stops29h 36m

Seoul Gimpo Intl

lun. 3/9

12:05 pm-11:58 pm

2 stops25h 53m

$1,479

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

jue. 5/28

6:36 am-9:50 pm

2 stops25h 14m

Seoul Gimpo Intl

sáb. 6/13

7:55 am-12:41 pm

2 stops18h 46m

$1,543

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

mié. 5/27

6:36 am-9:50 pm

2 stops25h 14m

Seoul Gimpo Intl

vie. 6/12

7:20 pm-12:41 pm

2 stops31h 21m

$1,563

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

sáb. 4/25

8:53 am-9:50 pm

2 stops22h 57m

Seoul Gimpo Intl

mié. 5/6

7:55 am-4:16 pm

2 stops22h 21m

$1,585

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

dom. 3/15

6:38 am-10:05 pm

2 stops25h 27m

Seoul Gimpo Intl

dom. 3/22

12:05 pm-11:58 pm

2 stops25h 53m

$1,618

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

mar. 4/7

8:53 am-9:50 pm

2 stops22h 57m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on St. Louis-Seoul Gimpo Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Seoul Gimpo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Seoul Gimpo Intl Airport 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 St. Louis-Seoul Gimpo Intl Airport 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 St. Louis to Gimpo Intl

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

    For a flight from St. Louis to Seoul Gimpo Intl, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Seoul Gimpo Intl per day. 0 airlines have flights to Seoul Gimpo Intl from Lambert-St Louis on a regular basis.

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

    For as low as $1,172, Japan Airlines can have you in Seoul Gimpo Intl Airport from St. Louis in 35h 52m. St. Louis and Seoul Gimpo Intl Airport are separated by a distance of 6654 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Gimpo Intl 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

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