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Gimpo Intl

$655+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GMP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$901
(Orbitz)

One-way from

$655
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$911
From Lambert-St Louis to Seoul Gimpo Intl
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One-way flight from Lambert-St Louis to Seoul Gimpo Intl
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Highest demand for flights based on searches. 13% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:01 amSTL - GMP
2 stops25h 04mJapan Airlines
Sun 11/28:00 amGMP - STL
2 stops30h 42mJapan Airlines
Deal found 9/11$1,500
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:39 amSTL - GMP
2 stops25h 11mJapan Airlines
Fri 10/317:40 pmGMP - STL
2 stops41h 25mJapan Airlines
Deal found 9/9$1,587
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:55 amSTL - GMP
2 stops24h 10mJapan Airlines
Sat 1/108:00 amGMP - STL
2 stops30h 59mJapan Airlines
Deal found 9/10$1,612
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:05 pmSTL - GMP
2 stops40h 00mMultiple Airlines
Sun 11/93:45 pmGMP - STL
2 stops38h 44mMultiple Airlines
Deal found 9/9$1,759
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:50 amSTL - GMP
2 stops23h 00mJapan Airlines
Sun 10/127:55 amGMP - STL
2 stops29h 10mJapan Airlines
Deal found 9/9$1,762
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:39 amSTL - GMP
2 stops25h 11mJapan Airlines
Mon 10/2012:05 pmGMP - STL
2 stops25h 00mJapan Airlines
Deal found 9/10$1,946
This Fareboom deal was found by Cheapflights users on 9/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:00 amSTL - GMP
2 stops24h 05mJapan Airlines
Sun 12/78:00 amGMP - STL
2 stops30h 57mJapan Airlines
Deal found 9/9$2,006
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:06 pmSTL - GMP
2 stops38h 14mJapan Airlines
Sun 11/912:05 pmGMP - STL
2 stops26h 37mJapan Airlines
Deal found 9/9$2,030
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:55 amSTL - GMP
2 stops24h 10mJapan Airlines
Tue 12/307:40 pmGMP - STL
2 stops43h 11mJapan Airlines
Deal found 9/8$2,110
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:20 amSTL - GMP
2 stops24h 45mJapan Airlines
Fri 1/98:00 amGMP - STL
2 stops30h 59mJapan Airlines
Deal found 9/9$2,127
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amSTL - GMP
2 stops24h 05mJapan Airlines
Wed 1/78:00 amGMP - STL
2 stops30h 59mJapan Airlines
Deal found 9/9$2,166
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amSTL - GMP
2 stops24h 05mJapan Airlines
Sat 11/2912:05 pmGMP - STL
2 stops26h 37mJapan Airlines
Deal found 9/10$2,411

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 September 11, 2025.
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

Sat 11/1

4:05 pm-10:05 pm

2 stops40h 00m

Seoul Gimpo Intl

Sun 11/9

3:45 pm-3:29 pm

2 stops38h 44m

$1,759

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Wed 10/1

8:50 am-9:50 pm

2 stops23h 00m

Seoul Gimpo Intl

Sun 10/12

7:55 am-11:05 pm

2 stops29h 10m

$1,762

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 10/13

6:39 am-9:50 pm

2 stops25h 11m

Seoul Gimpo Intl

Mon 10/20

12:05 pm-11:05 pm

2 stops25h 00m

$1,946

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Sat 11/22

7:00 am-10:05 pm

2 stops24h 05m

Seoul Gimpo Intl

Sun 12/7

8:00 am-11:57 pm

2 stops30h 57m

$2,006

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Sat 11/1

2:06 pm-6:20 pm

2 stops38h 14m

Seoul Gimpo Intl

Sun 11/9

12:05 pm-11:42 pm

2 stops26h 37m

$2,030

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 11/25

7:00 am-10:05 pm

2 stops24h 05m

Seoul Gimpo Intl

Sat 11/29

12:05 pm-11:42 pm

2 stops26h 37m

$2,411

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Fri 10/24

9:43 am-9:50 pm

2 stops22h 07m

Seoul Gimpo Intl

Fri 10/31

8:00 am-8:51 pm

2 stops26h 51m

$4,152

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Wed 11/26

7:00 am-10:05 pm

2 stops24h 05m

Seoul Gimpo Intl

Wed 1/21

12:05 pm-11:59 pm

2 stops26h 54m

$4,229

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 11/25

6:00 am-10:55 am

2 stops37h 55m

Seoul Gimpo Intl

Wed 12/10

12:05 pm-11:57 pm

2 stops26h 52m

$4,551

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 11/24

7:00 am-6:20 pm

2 stops44h 20m

Seoul Gimpo Intl

Wed 12/10

12:05 pm-11:57 pm

2 stops26h 52m

$4,551

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
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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 $1,762, Japan Airlines can have you in Seoul Gimpo Intl Airport from St. Louis in 23h. 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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