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Cheap flights from Seoul Gimpo Intl Airport to St. Louis from $871

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul Gimpo Intl Airport to St. Louis departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seoul Gimpo Intl Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
8:00 am - 2:03 pm
GMP
-
STL
20h 03m
2 stops
Japan Airlines Logo
8:54 am - 9:15 pm
STL
-
GMP
22h 21m
2 stops
$1,374Japan Airlines
sam., avr. 11 - mar., avr. 21
Japan Airlines Logo
7:15 pm - 11:57 pm
GMP
-
STL
42h 42m
2 stops
Japan Airlines Logo
8:54 am - 9:15 pm
STL
-
GMP
22h 21m
2 stops
$1,517Japan Airlines
sam., avr. 11 - mar., avr. 21
Japan Airlines Logo
7:15 pm - 11:57 pm
GMP
-
STL
42h 42m
2 stops
Japan Airlines Logo
8:54 am - 9:15 pm
STL
-
GMP
22h 21m
2 stops
$1,520Japan Airlines
sam., avr. 11 - mar., avr. 21
Japan Airlines Logo
7:15 pm - 11:57 pm
GMP
-
STL
42h 42m
2 stops
Japan Airlines Logo
8:54 am - 9:15 pm
STL
-
GMP
22h 21m
2 stops
$1,533Japan Airlines
sam., avr. 11 - mar., avr. 21
Japan Airlines Logo
8:00 am - 2:06 pm
GMP
-
STL
20h 06m
2 stops
Japan Airlines Logo
8:35 am - 9:15 pm
STL
-
GMP
22h 40m
2 stops
$1,582Japan Airlines
mer., juin 3 - lun., août 24
Japan Airlines Logo
8:00 am - 11:59 pm
GMP
-
STL
29h 59m
2 stops
Japan Airlines Logo
7:44 am - 9:15 pm
STL
-
GMP
23h 31m
2 stops
$1,709Japan Airlines
sam., juil. 25 - mer., sept. 9
Japan Airlines Logo
8:00 am - 4:29 pm
GMP
-
STL
22h 29m
2 stops
Japan Airlines Logo
7:01 am - 5:55 pm
STL
-
GMP
20h 54m
2 stops
$1,725Japan Airlines
ven., juil. 24 - sam., août 15

Japan Airlines flights from Seoul Gimpo Intl Airport to St. Louis

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to St. Louis flight tickets
Japan Airlines
Apr 11
GMP8:00 amSeoul Gimpo Intl
20h 03m
2 stops
STL2:03 pmLambert-St Louis
Apr 21
STL8:54 amLambert-St Louis
22h 21m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,374
Japan Airlines
Apr 11
GMP7:15 pmSeoul Gimpo Intl
42h 42m
2 stops
STL11:57 pmLambert-St Louis
Apr 21
STL8:54 amLambert-St Louis
22h 21m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,517
Japan Airlines
Apr 11
GMP7:15 pmSeoul Gimpo Intl
42h 42m
2 stops
STL11:57 pmLambert-St Louis
Apr 21
STL8:54 amLambert-St Louis
22h 21m
2 stops
GMP9:15 pmSeoul Gimpo Intl
$1,520

momondo Fare Finder

 
Customize your flight search to find flights from Seoul Gimpo Intl Airport 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, momondo users made 832,500 searches. Data last updated mars 1, 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

Fly to

Route

Depart

Return

Price

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 4/11

8:00 am-2:03 pm

2 stops20h 03m

Lambert-St Louis

mar. 4/21

8:54 am-9:15 pm

2 stops22h 21m

$1,374

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 4/11

7:15 pm-11:57 pm

2 stops42h 42m

Lambert-St Louis

mar. 4/21

8:54 am-9:15 pm

2 stops22h 21m

$1,517

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 4/11

7:15 pm-11:57 pm

2 stops42h 42m

Lambert-St Louis

mar. 4/21

8:54 am-9:15 pm

2 stops22h 21m

$1,520

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 4/11

7:15 pm-11:57 pm

2 stops42h 42m

Lambert-St Louis

mar. 4/21

8:54 am-9:15 pm

2 stops22h 21m

$1,533

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

mer. 6/3

8:00 am-2:06 pm

2 stops20h 06m

Lambert-St Louis

lun. 8/24

8:35 am-9:15 pm

2 stops22h 40m

$1,582

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 7/25

8:00 am-11:59 pm

2 stops29h 59m

Lambert-St Louis

mer. 9/9

7:44 am-9:15 pm

2 stops23h 31m

$1,709

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

ven. 7/24

8:00 am-4:29 pm

2 stops22h 29m

Lambert-St Louis

sam. 8/15

7:01 am-5:55 pm

2 stops20h 54m

$1,725

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

mer. 6/3

8:00 am-2:06 pm

2 stops20h 06m

$871

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

sam. 4/18

1:50 pm-11:59 pm

2 stops48h 09m

$951

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

jeu. 3/12

8:00 am-11:58 pm

2 stops29h 58m

$988

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seoul Gimpo Intl to Lambert-St Louis?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Lambert-St Louis

When to book flights from Seoul Gimpo Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to St. Louis (GMP to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to St. Louis

Fastest flight time

29h 58m

Direct flights

None
The fastest flight from Seoul Gimpo Intl Airport to St. Louis takes 29h 58m
There are no direct flights from Seoul Gimpo Intl Airport to St. Louis. There are no popular flight routes from Seoul Gimpo Intl Airport to St. Louis.
Search flight deals

  • How far is Seoul Gimpo Intl to Lambert-St Louis by plane?

    The straight-line distance from Seoul Gimpo Intl to Lambert-St Louis is 6665.9 mi. In terms of flight time, this usually takes a little over 29h 58m.

  • When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Seoul Gimpo Intl Airport to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Seoul Gimpo Intl Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to St. Louis?

It is quick and easy to find Seoul to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Seoul to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seoul to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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