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Gimpo Intl

$447+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GMP
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
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 July 25, 2025.

Round-trip from

$865
(FlightHub)

One-way from

$447
(Ovago)

Popular in

August

Cheapest in

January

Average price

$1,420
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. 14% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 25, 2025.

This FlightHub deal was found by Cheapflights users on 7/22. 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.
Wed 8/206:45 amSTL - GMP
2 stops25h 05mJapan Airlines
Wed 8/277:55 amGMP - STL
2 stops19h 17mJapan Airlines
Deal found 7/22$865
This Ovago deal was found by Cheapflights users on 7/23. 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.
Sat 7/266:14 amSTL - GMP
2 stops38h 31mMultiple Airlines
Fri 8/14:10 pmGMP - STL
2 stops21h 20mMultiple Airlines
Deal found 7/23$1,776
This Gurufare deal was found by Cheapflights users on 7/23. 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.
Thu 10/23:23 pmSTL - GMP
2 stops29h 42mANA
Wed 10/87:55 pmGMP - STL
2 stops30h 33mANA
Deal found 7/23$1,918

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 July 25, 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

Wed 8/20

6:45 am-9:50 pm

2 stops25h 05m

Seoul Gimpo Intl

Wed 8/27

7:55 am-1:12 pm

2 stops19h 17m

$865

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Fri 9/5

8:50 am-9:50 pm

2 stops23h 00m

Seoul Gimpo Intl

Fri 9/12

7:55 am-6:22 pm

2 stops24h 27m

$904

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 10/7

9:20 am-11:05 am

2 stops35h 45m

Seoul Gimpo Intl

Tue 10/14

7:55 pm-2:27 pm

2 stops32h 32m

$1,837

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 8/19

8:01 pm-10:45 am

2 stops24h 44m

$447

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 8/19

6:41 am-8:30 am

3 stops59h 49m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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.

Reviews of airlines servicing Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. 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 Gimpo Intl. Reviews last updated July 25, 2025.
Read reviews from past customers who have flown ANA and Japan Airlines from St. Louis to Seoul Gimpo Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
921 reviews

Crew

8.7

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
921 reviews
ANA
8.4
Very good
921 reviews

Crew

8.7

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,529 reviews
ANA
8.4
Very good
921 reviews

Crew

8.7

Comfort

8.2

Entertainment

7.9

Food

7.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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.

  • 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.

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