St. Louis

$889+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — STL
Oct 17 — Oct 241
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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 September 17, 2025.

Round-trip from

$1,270
(ANA)

One-way from

$889
(Trip.com)
From Seoul Gimpo Intl to Lambert-St Louis
One-way flight from Seoul Gimpo Intl to Lambert-St Louis

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 September 17, 2025.

This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:25 pmGMP - STL
2 stops44h 14mANA
Mon 11/2411:05 amSTL - GMP
2 stops44h 25mANA
Deal found 9/14$1,272

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 September 17, 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

Thu 2/19

7:50 pm-12:21 pm

2 stops31h 31m

Lambert-St Louis

Mon 2/23

6:45 am-10:30 pm

2 stops48h 45m

$1,270

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 11/20

12:25 pm-5:39 pm

2 stops44h 14m

Lambert-St Louis

Mon 11/24

11:05 am-10:30 pm

2 stops44h 25m

$1,272

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Sat 11/1

8:00 am-11:05 pm

2 stops29h 05m

$889

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Tue 2/3

7:40 pm-1:47 pm

2 stops33h 07m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 31h 31m. 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?

Book flights to St. Louis if you plan to visit one of these locations
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