How long does it take to fly to Seoul?

If you’re flying from a popular airport in Missouri, such as St. Louis or Kansas City, and flying into Seoul, then you can expect flight times to average 17h 33m and 18h 27m, respectively.

What airlines fly to Seoul?

Delta, United Airlines and Korean Air 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 71% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 5 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines, United Airlines, and Japan Airlines are the most popular carriers operating from Missouri to Seoul

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 5 operators available for flights from Missouri to Seoul as of August 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.

$511 Cheap Flights from Missouri to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:29 am - 5:30 pm

STL

ICN

21h 01m

1 stop

7:35 pm - 6:38 pm

ICN

STL

37h 03m

1 stop

$1,070Alaska Airlines

Thu, Sep 17 - Thu, Sep 24

5:00 am - 3:45 pm

STL

ICN

20h 45m

2 stops

5:50 pm - 12:27 am

ICN

STL

20h 37m

2 stops

$1,103American Airlines

Thu, Sep 17 - Thu, Sep 24

5:43 am - 3:45 pm

STL

ICN

20h 02m

1 stop

5:50 pm - 12:27 am

ICN

STL

20h 37m

2 stops

$1,103American Airlines

Thu, Sep 17 - Thu, Sep 24

3:29 pm - 4:20 am

MCI

ICN

22h 51m

1 stop

4:50 pm - 11:30 pm

ICN

MCI

20h 40m

2 stops

$1,107United Airlines

Thu, Aug 27 - Tue, Sep 8

5:13 pm - 4:20 am

MCI

ICN

21h 07m

2 stops

11:30 am - 4:24 pm

ICN

MCI

18h 54m

1 stop

$1,107United Airlines

Wed, Sep 23 - Mon, Oct 5

7:00 am - 3:20 pm

MCI

ICN

18h 20m

1 stop

4:25 pm - 8:47 pm

ICN

MCI

18h 22m

1 stop

$1,107Delta

Wed, Aug 19 - Thu, Aug 27

4:25 pm - 4:00 am

MCI

ICN

21h 35m

1 stop

6:50 pm - 11:51 pm

ICN

MCI

19h 01m

1 stop

$1,107Delta

Mon, Sep 14 - Thu, Oct 1

4:05 pm - 5:10 pm

STL

ICN

34h 05m

2 stops

6:55 pm - 3:26 pm

ICN

STL

35h 31m

2 stops

$1,299Air Canada

Sun, Nov 1 - Thu, Nov 5

4:05 pm - 6:25 pm

STL

ICN

35h 20m

1 stop

6:55 pm - 3:26 pm

ICN

STL

35h 31m

2 stops

$1,299Air Canada

Sun, Nov 1 - Thu, Nov 5

5:05 pm - 5:40 am

MCI

ICN

21h 35m

1 stop

12:45 pm - 10:14 pm

ICN

MCI

24h 29m

1 stop

$5,989Asiana Airlines

Sun, Jan 17 - Tue, Jan 26

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Korean Air flights from Missouri to Seoul

Our best Korean Air deals on Missouri to Seoul flight tickets

Korean Air

Sep 10

SGF6:08 amSpringfield-Branson

21h 42m

1 stop

ICN5:50 pmIncheon Intl

Sep 14

ICN4:25 pmIncheon Intl

19h 43m

1 stop

SGF10:08 pmSpringfield-Branson

$2,056

Korean Air

Oct 15

SGF6:00 amSpringfield-Branson

19h 55m

1 stop

ICN3:55 pmIncheon Intl

Nov 30

ICN8:45 amIncheon Intl

17h 09m

1 stop

SGF10:54 amSpringfield-Branson

$2,066

American Airlines flights from Missouri to Seoul

Our best American Airlines deals on Missouri to Seoul flight tickets

American Airlines

Sep 17

STL5:43 amLambert-St Louis

20h 02m

1 stop

ICN3:45 pmIncheon Intl

Sep 24

ICN5:50 pmIncheon Intl

20h 37m

2 stops

STL12:27 amLambert-St Louis

$1,103

American Airlines

Aug 17

MCI5:29 amKansas City

20h 16m

1 stop

ICN3:45 pmIncheon Intl

Sep 1

ICN5:50 pmIncheon Intl

30h 40m

1 stop

MCI10:30 amKansas City

$1,109

American Airlines

Oct 26

STL6:32 amLambert-St Louis

19h 53m

1 stop

ICN4:25 pmIncheon Intl

Nov 25

ICN6:50 pmIncheon Intl

29h 40m

1 stop

STL9:30 amLambert-St Louis

$1,113

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 9/17

6:29 am-5:30 pm

1 stop21h 01m

Incheon Intl

Thu 9/24

7:35 pm-6:38 pm

1 stop37h 03m

$1,070

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 9/17

5:00 am-3:45 pm

2 stops20h 45m

Incheon Intl

Thu 9/24

5:50 pm-12:27 am

2 stops20h 37m

$1,103

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 9/17

5:43 am-3:45 pm

1 stop20h 02m

Incheon Intl

Thu 9/24

5:50 pm-12:27 am

2 stops20h 37m

$1,103

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Thu 8/27

3:29 pm-4:20 am

1 stop22h 51m

Incheon Intl

Tue 9/8

4:50 pm-11:30 pm

2 stops20h 40m

$1,107

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Wed 9/23

5:13 pm-4:20 am

2 stops21h 07m

Incheon Intl

Mon 10/5

11:30 am-4:24 pm

1 stop18h 54m

$1,107

Quickest round-trip

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Wed 8/19

7:00 am-3:20 pm

1 stop18h 20m

Incheon Intl

Thu 8/27

4:25 pm-8:47 pm

1 stop18h 22m

$1,107

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Mon 9/14

4:25 pm-4:00 am

1 stop21h 35m

Incheon Intl

Thu 10/1

6:50 pm-11:51 pm

1 stop19h 01m

$1,107

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 11/1

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Thu 11/5

6:55 pm-3:26 pm

2 stops35h 31m

$1,299

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 11/1

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Thu 11/5

6:55 pm-3:26 pm

2 stops35h 31m

$1,299

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Sun 1/17

5:05 pm-5:40 am

1 stop21h 35m

Incheon Intl

Tue 1/26

12:45 pm-10:14 pm

1 stop24h 29m

$5,989

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 April is another great option to travel to Seoul, with average flight prices from Missouri averaging around $921.

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	17h 33m
Direct flights	None

The fastest flight from Missouri to Seoul takes 17h 33m

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

Search flight deals

Frequently asked questions about flying from Missouri to Seoul

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 5 operators available for flights from Missouri to Seoul as of August 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 7.8 8,481 reviews	Search Delta flights
United Airlines	PriceFrom $865	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
Korean Air	PriceFrom $999	Free Cancellation	Rating 8.4 1,222 reviews	Search Korean Air flights
Air Canada	PriceFrom $1,083	Free Cancellation	Rating 7.1 11,426 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $1,204	Free Cancellation	Rating 8.1 553 reviews	Search Asiana Airlines 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 $511

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 9/11. 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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Korean Air flights from Missouri to Seoul

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Our best American 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?

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Seoul

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

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According to popular flight searches on momondo this year

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