What is the cheapest airline that flies from Missouri to Seoul?

United Airlines, Delta, and Air Canada are the most popular carriers operating from Missouri to Seoul

How long does it take to fly to Seoul?

If you’re flying from a popular airport in Missouri, such as Kansas City or St. Louis, and flying into Seoul, then you can expect flight times to average 18h and 18h 35m, respectively.

What airlines fly to Seoul?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Seoul from Missouri according to our data. Delta is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul 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 Seoul?

Prices for flights from Missouri to Seoul refresh daily.

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

There are 4 operators available for flights from Missouri to Seoul as of March 2026.

How old do you have to be to fly from Missouri to Seoul?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents required for your trip to Seoul 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 Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$498 Cheap Flights from Missouri to Seoul in 2026

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Find the cheapest flights from Missouri to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 4:20 am

STL

ICN

19h 15m

1 stop

4:50 pm - 5:47 am

ICN

STL

26h 57m

1 stop

$966United Airlines

Mon, Apr 20 - Mon, May 4

4:49 pm - 4:20 am

STL

ICN

21h 31m

2 stops

4:50 pm - 5:47 am

ICN

STL

26h 57m

1 stop

$971United Airlines

Mon, Apr 20 - Mon, May 4

4:49 pm - 4:20 am

STL

ICN

21h 31m

2 stops

4:50 pm - 9:30 am

ICN

STL

30h 40m

2 stops

$991Asiana Airlines

Mon, Apr 20 - Mon, May 4

8:55 am - 5:30 pm

STL

ICN

18h 35m

1 stop

7:05 pm - 2:00 pm

ICN

STL

32h 55m

1 stop

$1,021Air Canada

Thu, Sep 17 - Fri, Sep 25

8:55 am - 5:30 pm

STL

ICN

18h 35m

1 stop

6:00 pm - 2:00 pm

ICN

STL

34h 00m

2 stops

$1,024Air Canada

Thu, Sep 17 - Fri, Sep 25

6:48 am - 4:25 pm

STL

ICN

19h 37m

1 stop

7:20 pm - 12:25 am

ICN

STL

19h 05m

1 stop

$1,066Delta

Wed, Apr 15 - Wed, Apr 22

6:19 am - 4:50 pm

STL

ICN

20h 31m

2 stops

7:20 pm - 12:25 am

ICN

STL

19h 05m

1 stop

$1,071Delta

Wed, Apr 15 - Wed, Apr 22

1:02 pm - 4:00 am

STL

ICN

24h 58m

1 stop

7:20 pm - 1:23 pm

ICN

STL

32h 03m

1 stop

$1,072Delta

Mon, Apr 20 - Mon, Apr 27

6:11 pm - 3:45 pm

STL

ICN

31h 34m

1 stop

5:50 pm - 10:59 pm

ICN

STL

19h 09m

1 stop

$1,073American Airlines

Sat, Apr 25 - Wed, May 6

7:02 am - 3:45 pm

SGF

ICN

18h 43m

1 stop

5:50 pm - 11:58 pm

ICN

SGF

20h 08m

1 stop

$1,166American Airlines

Sat, Sep 5 - Sun, Sep 13

United Airlines flights from Missouri to Seoul

Our best United Airlines deals on Missouri to Seoul flight tickets

United Airlines

Apr 20

STL7:05 pmLambert-St Louis

19h 15m

1 stop

ICN4:20 amIncheon Intl

May 4

ICN4:50 pmIncheon Intl

26h 57m

1 stop

STL5:47 amLambert-St Louis

$966

United Airlines

Apr 20

STL4:49 pmLambert-St Louis

21h 31m

2 stops

ICN4:20 amIncheon Intl

May 4

ICN4:50 pmIncheon Intl

26h 57m

1 stop

STL5:47 amLambert-St Louis

$971

United Airlines

Apr 21

STL8:30 amLambert-St Louis

29h 50m

1 stop

ICN4:20 amIncheon Intl

Apr 28

ICN11:30 amIncheon Intl

23h 24m

2 stops

STL8:54 pmLambert-St Louis

$1,080

Asiana Airlines flights from Missouri to Seoul

Our best Asiana Airlines deals on Missouri to Seoul flight tickets

Asiana Airlines

Apr 20

STL4:49 pmLambert-St Louis

21h 31m

2 stops

ICN4:20 amIncheon Intl

May 4

ICN4:50 pmIncheon Intl

30h 40m

2 stops

STL9:30 amLambert-St Louis

$991

Asiana Airlines

Apr 25

STL8:30 amLambert-St Louis

29h 50m

1 stop

ICN4:20 amIncheon Intl

May 6

ICN4:50 pmIncheon Intl

26h 57m

1 stop

STL5:47 amLambert-St Louis

$1,182

Asiana Airlines

Aug 17

STL1:18 pmLambert-St Louis

25h 02m

2 stops

ICN4:20 amIncheon Intl

Aug 21

ICN4:50 pmIncheon Intl

36h 48m

1 stop

STL3:38 pmLambert-St Louis

$1,192

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 4/20

7:05 pm-4:20 am

1 stop19h 15m

Incheon Intl

Mon 5/4

4:50 pm-5:47 am

1 stop26h 57m

$966

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 4/20

4:49 pm-4:20 am

2 stops21h 31m

Incheon Intl

Mon 5/4

4:50 pm-5:47 am

1 stop26h 57m

$971

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 4/20

4:49 pm-4:20 am

2 stops21h 31m

Incheon Intl

Mon 5/4

4:50 pm-9:30 am

2 stops30h 40m

$991

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 9/17

8:55 am-5:30 pm

1 stop18h 35m

Incheon Intl

Fri 9/25

7:05 pm-2:00 pm

1 stop32h 55m

$1,021

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 9/17

8:55 am-5:30 pm

1 stop18h 35m

Incheon Intl

Fri 9/25

6:00 pm-2:00 pm

2 stops34h 00m

$1,024

Quickest round-trip

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 4/15

6:48 am-4:25 pm

1 stop19h 37m

Incheon Intl

Wed 4/22

7:20 pm-12:25 am

1 stop19h 05m

$1,066

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 4/15

6:19 am-4:50 pm

2 stops20h 31m

Incheon Intl

Wed 4/22

7:20 pm-12:25 am

1 stop19h 05m

$1,071

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 4/20

1:02 pm-4:00 am

1 stop24h 58m

Incheon Intl

Mon 4/27

7:20 pm-1:23 pm

1 stop32h 03m

$1,072

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 4/25

6:11 pm-3:45 pm

1 stop31h 34m

Incheon Intl

Wed 5/6

5:50 pm-10:59 pm

1 stop19h 09m

$1,073

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Sat 9/5

7:02 am-3:45 pm

1 stop18h 43m

Incheon Intl

Sun 9/13

5:50 pm-11:58 pm

1 stop20h 08m

$1,166

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 Seoul

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 Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from Missouri averaging around $865.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Missouri when booking week ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,153 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Missouri for as low as $936 on momondo.

Can stopping save me money on Missouri to Seoul flights?

You could potentially save up to 21% on your flight if you consider stops on a Missouri to Seoul flight.

Cheap Missouri to Seoul flight deals and tips

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

Fastest flight time	18h 00m
Direct flights	None

The fastest flight from Missouri to Seoul takes 18h 00m

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

Search flight deals

When did momondo last update prices for flights from Missouri to Seoul?
Prices for flights from Missouri to Seoul refresh daily.
How many operators does momondo search for flights from Missouri to Seoul?
There are 4 operators available for flights from Missouri to Seoul as of March 2026.
How old do you have to be to fly from Missouri to Seoul?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul 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 Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Seoul

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $769	Free Cancellation	Rating 7.9 8,342 reviews	Search Delta flights
American Airlines	PriceFrom $846	Free Cancellation	Rating 7.1 11,507 reviews	Search American Airlines flights
United Airlines	PriceFrom $865	Free Cancellation	Rating 7.4 9,492 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,083	Free Cancellation	Rating 7.1 10,845 reviews	Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Seoul. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Seoul from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Seoul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Missouri.

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

Of course. momondo tracks the price of Missouri to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Missouri to Seoul from $498

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 Seoul departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Missouri to Seoul

Our best United Airlines deals on Missouri to Seoul flight tickets

Asiana Airlines flights from Missouri to Seoul

Our best Asiana Airlines deals on Missouri to Seoul flight tickets

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How to get the cheapest flight ticket from Missouri to Seoul

What is the cheapest month to fly to Seoul?

How far in advance should I book a flight to Seoul?

Can stopping save me money on Missouri to Seoul flights?

What is the cheapest airline that flies from Missouri to Seoul?

What airlines fly to Seoul?

How long does it take to fly to Seoul?

Cheap Missouri to Seoul flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Missouri to Seoul

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

Why use momondo?

An easier way to manage your Seoul 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

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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

Fly to other destinations from Missouri

According to popular flight searches on momondo this year

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