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.

$1,237 Cheap Flights from Seoul Gimpo Intl Airport to St. Louis in 2025/26

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Find the cheapest flights from Seoul Gimpo Intl Airport to St. Louis

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12:25 pm - 12:25 pmGMP-STL

39h 00m2 stops

7:41 am - 10:30 pmSTL-GMP

47h 49m2 stops

$1,237ANA

Find Deal

Thu, Feb 19 - Mon, Feb 23

12:25 pm - 12:25 pmGMP-STL

39h 00m2 stops

6:30 am - 11:20 amSTL-GMP

37h 50m2 stops

$1,243ANA

Find Deal

Thu, Feb 19 - Mon, Feb 23

7:55 am - 4:11 pmGMP-STL

22h 16m2 stops

6:30 am - 9:50 pmSTL-GMP

25h 20m2 stops

$1,292Multiple Airlines

Find Deal

Sat, Apr 11 - Tue, Apr 21

7:55 am - 2:26 pmGMP-STL

20h 31m2 stops

7:20 am - 9:50 pmSTL-GMP

24h 30m2 stops

$1,409Japan Airlines

Find Deal

Sat, Apr 11 - Tue, Apr 21

8:00 am - 11:57 pmGMP-STL

30h 57m2 stops

7:00 am - 10:05 pmSTL-GMP

24h 05m2 stops

$1,666Japan Airlines

Find Deal

Thu, Dec 11 - Thu, Dec 18

ANA flights from Seoul Gimpo Intl Airport to St. Louis

Our best ANA deals on Seoul Gimpo Intl Airport to St. Louis flight tickets

ANA

Feb 19

GMP12:25 pmSeoul Gimpo Intl

39h 00m

2 stops

STL12:25 pmLambert-St Louis

Feb 23

STL7:41 amLambert-St Louis

47h 49m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$1,237

Find similar

ANA

Feb 19

GMP12:25 pmSeoul Gimpo Intl

39h 00m

2 stops

STL12:25 pmLambert-St Louis

Feb 23

STL6:30 amLambert-St Louis

37h 50m

2 stops

GMP11:20 amSeoul Gimpo Intl

$1,243

Find similar

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

GMP7:55 amSeoul Gimpo Intl

20h 31m

2 stops

STL2:26 pmLambert-St Louis

Apr 21

STL7:20 amLambert-St Louis

24h 30m

2 stops

GMP9:50 pmSeoul Gimpo Intl

$1,409

Find similar

Japan Airlines

Dec 11

GMP8:00 amSeoul Gimpo Intl

30h 57m

2 stops

STL11:57 pmLambert-St Louis

Dec 18

STL7:00 amLambert-St Louis

24h 05m

2 stops

GMP10:05 pmSeoul Gimpo Intl

$1,666

Find similar

momondo Fare Finder

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

Thu 2/19

12:25 pm-12:25 pm

2 stops39h 00m

Lambert-St Louis

Mon 2/23

7:41 am-10:30 pm

2 stops47h 49m

$1,237

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 2/19

12:25 pm-12:25 pm

2 stops39h 00m

Lambert-St Louis

Mon 2/23

6:30 am-11:20 am

2 stops37h 50m

$1,243

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Sat 4/11

7:55 am-4:11 pm

2 stops22h 16m

Lambert-St Louis

Tue 4/21

6:30 am-9:50 pm

2 stops25h 20m

$1,292

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Sat 4/11

7:55 am-2:26 pm

2 stops20h 31m

Lambert-St Louis

Tue 4/21

7:20 am-9:50 pm

2 stops24h 30m

$1,409

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 12/11

8:00 am-11:57 pm

2 stops30h 57m

Lambert-St Louis

Thu 12/18

7:00 am-10:05 pm

2 stops24h 05m

$1,666

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $1,203. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,719. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Seoul Gimpo Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,112 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,719 per ticket.

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

Direct flights	None

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.

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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 20h 31m.
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.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Wentzville

Fenton

Collinsville

St. Peters

Alton

Farmington

Festus

Glencoe

Edwardsville

Clayton

Eureka

Litchfield

Shrewsbury

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.