What is the cheapest airline that flies from Missouri to South Korea?

American Airlines, Delta, and Korean Air are the most popular carriers operating from Missouri to South Korea

How long is the flight from Missouri to South Korea?

The flight from Missouri to South Korea depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from St. Louis (a popular airport in Missouri) to Incheon Intl Airport (the most popular airport in South Korea), then the flight time is 17h 50m on average. If you fly from Kansas City (another popular airport in Missouri) to Incheon Intl Airport, then the average flight time is 18h 30m.

What airlines fly to South Korea?

Delta, Air Canada and American Airlines are the top three most popular airlines that fly to South Korea from Missouri according to our data. Delta is the first choice among our users, with 52% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 5 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to South Korea?

Prices for flights from Missouri to South Korea were last updated today.

How many operators does momondo search for flights from Missouri to South Korea?

As of December 2025, there are 5 operators available to choose from for flights from Missouri to South Korea.

How old do you have to be to fly from Missouri to South Korea?

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 Missouri to South Korea.

What documentation or ID do you need to fly to South Korea?

The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$344 Cheap Flights from Missouri to South Korea in 2025/26

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Find the cheapest flights from Missouri to South Korea

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:19 pm - 6:35 pm

STL

ICN

33h 16m1 stop

8:35 pm - 1:54 pm

ICN

STL

32h 19m1 stop

$656Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

6:10 am - 3:30 pm

STL

ICN

18h 20m1 stop

9:35 am - 4:37 pm

ICN

STL

22h 02m1 stop

$746Delta

Tue, Jan 13 - Tue, Jan 20

6:00 am - 4:45 pm

SGF

ICN

19h 45m1 stop

7:15 pm - 9:21 pm

ICN

SGF

17h 06m1 stop

$746American Airlines

Mon, Feb 2 - Tue, Feb 17

6:00 am - 4:45 pm

SGF

ICN

19h 45m1 stop

7:15 pm - 9:53 am

ICN

SGF

29h 38m2 stops

$750American Airlines

Mon, Feb 2 - Tue, Feb 17

1:15 pm - 5:40 am

STL

ICN

25h 25m2 stops

12:45 pm - 9:13 pm

ICN

STL

23h 28m2 stops

$750United Airlines

Sat, Jan 31 - Sat, Feb 7

7:04 am - 10:05 pm

STL

GMP

24h 01m2 stops

7:40 pm - 11:59 pm

GMP

STL

43h 19m2 stops

$780Japan Airlines

Wed, Jan 21 - Sun, Jan 25

5:25 pm - 5:40 am

STL

ICN

21h 15m1 stop

12:45 pm - 4:44 pm

ICN

STL

18h 59m1 stop

$846United Airlines

Sun, Feb 15 - Thu, Feb 19

7:04 am - 10:05 pm

STL

GMP

24h 01m2 stops

8:00 am - 6:16 pm

GMP

STL

25h 16m2 stops

$866Japan Airlines

Tue, Jan 13 - Tue, Jan 20

6:35 am - 8:45 pm

STL

PUS

23h 10m2 stops

4:10 pm - 11:37 pm

PUS

STL

22h 27m2 stops

$1,113Korean Air

Fri, Jan 30 - Fri, Feb 6

6:35 am - 7:45 pm

STL

TAE

22h 10m2 stops

7:40 am - 11:23 pm

TAE

STL

30h 43m2 stops

$1,117Korean Air

Thu, Feb 19 - Mon, Feb 23

Delta flights from Missouri to South Korea

Our best Delta deals on Missouri to South Korea flight tickets

Delta

Jan 13

STL6:10 amLambert-St Louis

18h 20m

1 stop

ICN3:30 pmIncheon Intl

Jan 20

ICN9:35 amIncheon Intl

22h 02m

1 stop

STL4:37 pmLambert-St Louis

$746

Find similar

Delta

Apr 18

STL11:51 amLambert-St Louis

26h 09m

1 stop

ICN4:00 amIncheon Intl

Apr 25

ICN6:50 pmIncheon Intl

18h 48m

1 stop

STL11:38 pmLambert-St Louis

$866

Find similar

Delta

Apr 18

STL6:00 amLambert-St Louis

21h 20m

2 stops

ICN5:20 pmIncheon Intl

Apr 24

ICN7:00 pmIncheon Intl

19h 36m

2 stops

STL12:36 amLambert-St Louis

$870

Find similar

United Airlines flights from Missouri to South Korea

Our best United Airlines deals on Missouri to South Korea flight tickets

United Airlines

Jan 31

STL1:15 pmLambert-St Louis

25h 25m

2 stops

ICN5:40 amIncheon Intl

Feb 7

ICN12:45 pmIncheon Intl

23h 28m

2 stops

STL9:13 pmLambert-St Louis

$750

Find similar

United Airlines

Feb 15

STL5:25 pmLambert-St Louis

21h 15m

1 stop

ICN5:40 amIncheon Intl

Feb 19

ICN12:45 pmIncheon Intl

18h 59m

1 stop

STL4:44 pmLambert-St Louis

$846

Find similar

United Airlines

Feb 15

STL5:25 pmLambert-St Louis

21h 15m

1 stop

ICN5:40 amIncheon Intl

Feb 19

ICN12:45 pmIncheon Intl

25h 14m

2 stops

STL10:59 pmLambert-St Louis

$850

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 1/31

6:19 pm-6:35 pm

1 stop33h 16m

Incheon Intl

Sat 2/7

8:35 pm-1:54 pm

1 stop32h 19m

$656

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 1/13

6:10 am-3:30 pm

1 stop18h 20m

Incheon Intl

Tue 1/20

9:35 am-4:37 pm

1 stop22h 02m

$746

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Mon 2/2

6:00 am-4:45 pm

1 stop19h 45m

Incheon Intl

Tue 2/17

7:15 pm-9:21 pm

1 stop17h 06m

$746

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Mon 2/2

6:00 am-4:45 pm

1 stop19h 45m

Incheon Intl

Tue 2/17

7:15 pm-9:53 am

2 stops29h 38m

$750

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 1/31

1:15 pm-5:40 am

2 stops25h 25m

Incheon Intl

Sat 2/7

12:45 pm-9:13 pm

2 stops23h 28m

$750

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Wed 1/21

7:04 am-10:05 pm

2 stops24h 01m

Seoul Gimpo Intl

Sun 1/25

7:40 pm-11:59 pm

2 stops43h 19m

$780

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 2/15

5:25 pm-5:40 am

1 stop21h 15m

Incheon Intl

Thu 2/19

12:45 pm-4:44 pm

1 stop18h 59m

$846

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Tue 1/13

7:04 am-10:05 pm

2 stops24h 01m

Seoul Gimpo Intl

Tue 1/20

8:00 am-6:16 pm

2 stops25h 16m

$866

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Fri 1/30

6:35 am-8:45 pm

2 stops23h 10m

Busan Gimhae

Fri 2/6

4:10 pm-11:37 pm

2 stops22h 27m

$1,113

St. LouisDaegu

STL - TAE

STLTAE

Lambert-St Louis

Thu 2/19

6:35 am-7:45 pm

2 stops22h 10m

Daegu

Mon 2/23

7:40 am-11:23 pm

2 stops30h 43m

$1,117

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to South Korea

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

Prices

Airlines

Other information

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $875.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Missouri is on a Monday. momondo users have found tickets for Monday departures for as low as $1,239. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to South Korea for around $2,022.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Missouri in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,234 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,589 on average. Flights to South Korea from Missouri in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,121 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Missouri for as low as $1,065 on momondo.

Can stopping save me money on Missouri to South Korea flights?

You could potentially save up to 7% on your flight if you consider stops on a Missouri to South Korea flight.

Cheap Missouri to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to South Korea

Fastest flight time	18h 30m
Direct flights	None

The fastest flight from Missouri to South Korea takes 18h 30m

There are no direct flights from Missouri to South Korea. There are no popular flight routes from Missouri to South Korea.

Search flight deals

When did momondo last update prices for flights from Missouri to South Korea?
Prices for flights from Missouri to South Korea were last updated today.
How many operators does momondo search for flights from Missouri to South Korea?
As of December 2025, there are 5 operators available to choose from for flights from Missouri to South Korea.
How old do you have to be to fly from Missouri to South Korea?
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 Missouri to South Korea.
What documentation or ID do you need to fly to South Korea?
The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to South Korea

Compare and see reviews for airlines that fly from Missouri to South Korea with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $799	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
American Airlines	PriceFrom $846	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
Delta	PriceFrom $846	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
Korean Air	PriceFrom $999	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to South Korea?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to South Korea for you.

Can I find flights from Missouri to South Korea with flexible booking policies on momondo?

momondo does allow users to show only those flights to South Korea from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to South Korea?

Once all potential Missouri to South Korea flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to South Korea right now. Can momondo alert me if prices change?

If you are simply researching potential flights to South Korea, momondo offers a useful price alert feature which will track prices for flights to South Korea from Missouri and alert you when they change.

An easier way to manage your South Korea trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Find better results for your trip to South Korea

Popular cities in South Korea

Flights to Seoulfrom $588

Flights to Jeju Cityfrom $725

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Flights to Daegufrom $971

Flights to Gwangjufrom $813

Flights to Yeosu

Flights to Ulsanfrom $1,627

Flights to Jinjufrom $1,747

Flights to Muan

Cheap flights from Missouri to South Korea from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to South Korea departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Missouri to South Korea

Cheap round-trip flights

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Delta flights from Missouri to South Korea

Our best Delta deals on Missouri to South Korea flight tickets

United Airlines flights from Missouri to South Korea

Our best United Airlines deals on Missouri to South Korea flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to South Korea that are best for you.

See travel insights to South Korea from

How to get the cheapest flight ticket from Missouri to South Korea

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $875.

What is the cheapest day to depart on your flight to South Korea?

What is the cheapest time of day to depart on your flight to South Korea?

How far in advance should I book a flight to South Korea?

Can stopping save me money on Missouri to South Korea flights?

You could potentially save up to 7% on your flight if you consider stops on a Missouri to South Korea flight.

What is the cheapest airline that flies from Missouri to South Korea?

American Airlines, Delta, and Korean Air are the most popular carriers operating from Missouri to South Korea

What airlines fly to South Korea?

How long is the flight from Missouri to South Korea?

Cheap Missouri to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to South Korea

Fastest flight time

Direct flights

When did momondo last update prices for flights from Missouri to South Korea?

How many operators does momondo search for flights from Missouri to South Korea?

How old do you have to be to fly from Missouri to South Korea?

What documentation or ID do you need to fly to South Korea?

Best airlines flying from Missouri to South Korea

Compare and see reviews for airlines that fly from Missouri to South Korea with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to South Korea?

Can I find flights from Missouri to South Korea with flexible booking policies on momondo?

How can momondo help me find flights from Missouri to South Korea?

I’m not ready to book a flight from Missouri to South Korea right now. Can momondo alert me if prices change?

An easier way to manage your South Korea trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo