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 19h 05m and 20h 40m, respectively.

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

Air Canada, Cathay Pacific, and Delta are the most popular carriers operating from Missouri to Seoul

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 70% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 6 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 6 operators available for flights from Missouri to Seoul as of September 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.

$455 Cheap Flights from Missouri to Seoul in 2026/27

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.

7:59 pm - 9:20 pmSTL Lambert-St Louis-ICN Incheon Intl

35h 21m2 stops Denver Intl San Francisco

7:45 pm - 11:19 amICN Incheon Intl-STL Lambert-St Louis

30h 34m2 stops San Francisco Dallas/Fort Worth

$1,060Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

7:00 am - 6:35 pmMCI Kansas City-ICN Incheon Intl

45h 35m2 stops Seattle/Tacoma Intl Hong Kong Intl

8:00 am - 11:20 pmICN Incheon Intl-MCI Kansas City

29h 20m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,091Multiple Airlines

Thu, Mar 25 - Thu, Apr 1

6:47 am - 4:50 pmSTL Lambert-St Louis-ICN Incheon Intl

20h 03m1 stop Detroit Metropolitan Wayne County

9:35 am - 8:29 pmICN Incheon Intl-STL Lambert-St Louis

25h 54m1 stop Detroit Metropolitan Wayne County

$1,096Delta

Mon, Oct 26 - Wed, Nov 25

6:40 am - 4:50 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 10m1 stop Detroit Metropolitan Wayne County

7:25 pm - 12:05 amICN Incheon Intl-STL Lambert-St Louis

19h 40m1 stop Atlanta Hartsfield-Jackson

$1,096Delta

Wed, Nov 11 - Thu, Dec 10

6:00 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 25m1 stop Newark

12:45 pm - 6:11 pmICN Incheon Intl-STL Lambert-St Louis

20h 26m1 stop San Francisco

$1,096United Airlines

Mon, Nov 9 - Tue, Dec 8

3:15 pm - 5:40 amSTL Lambert-St Louis-ICN Incheon Intl

23h 25m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 6:05 pmICN Incheon Intl-STL Lambert-St Louis

20h 20m1 stop San Francisco

$1,096United Airlines

Tue, Nov 10 - Tue, Nov 17

4:05 pm - 6:25 pmSTL Lambert-St Louis-ICN Incheon Intl

35h 20m1 stop Toronto Pearson Intl

6:55 pm - 3:26 pmICN Incheon Intl-STL Lambert-St Louis

35h 31m2 stops Vancouver Intl Toronto Pearson Intl

$1,102Air Canada

Wed, Feb 3 - Wed, Feb 17

4:05 pm - 6:25 pmSTL Lambert-St Louis-ICN Incheon Intl

35h 20m1 stop Toronto Pearson Intl

8:10 pm - 3:26 pmICN Incheon Intl-STL Lambert-St Louis

34h 16m1 stop Toronto Pearson Intl

$1,102Air Canada

Wed, Feb 3 - Wed, Feb 17

6:00 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 25m1 stop Dallas/Fort Worth

6:50 pm - 8:19 pmICN Incheon Intl-STL Lambert-St Louis

16h 29m1 stop Dallas/Fort Worth

$1,196American Airlines

Wed, Dec 2 - Wed, Dec 16

8:26 am - 4:45 pmSGF Springfield-Branson-ICN Incheon Intl

18h 19m1 stop Dallas/Fort Worth

6:50 pm - 8:42 amICN Incheon Intl-SGF Springfield-Branson

28h 52m1 stop Dallas/Fort Worth

$1,202American Airlines

Mon, Oct 26 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 12:25 amSTL Lambert-St Louis-ICN Incheon Intl

27h 55m2 stops Los Angeles Hong Kong Intl

8:00 am - 9:59 pmICN Incheon Intl-STL Lambert-St Louis

27h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,191Multiple Airlines

Fri, Oct 2 - Fri, Oct 9

7:26 am - 6:00 amMCI Kansas City-ICN Incheon Intl

32h 34m2 stops Los Angeles Manila Ninoy Aquino Intl

8:30 pm - 11:25 pmICN Incheon Intl-MCI Kansas City

40h 55m2 stops Manila Ninoy Aquino Intl Los Angeles

$1,309Multiple Airlines

Thu, Oct 1 - Sat, Oct 3

12:10 pm - 4:05 pmSTL Lambert-St Louis-ICN Incheon Intl

37h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 6:41 pmICN Incheon Intl-STL Lambert-St Louis

38h 41m1 stop Montreal Pierre Elliott Trudeau Intl

$1,367Air Canada

Fri, Oct 2 - Fri, Oct 9

4:42 pm - 12:10 pmSTL Lambert-St Louis-ICN Incheon Intl

29h 28m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

7:45 pm - 11:25 amICN Incheon Intl-STL Lambert-St Louis

29h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$1,404Multiple Airlines

Sat, Oct 3 - Mon, Oct 5

8:55 am - 5:30 pmSTL Lambert-St Louis-ICN Incheon Intl

18h 35m1 stop Toronto Pearson Intl

6:00 pm - 6:41 pmICN Incheon Intl-STL Lambert-St Louis

38h 41m1 stop Montreal Pierre Elliott Trudeau Intl

$1,457Air Canada

Sat, Oct 3 - Wed, Oct 7

6:44 am - 3:45 pmMCI Kansas City-ICN Incheon Intl

19h 01m1 stop Dallas/Fort Worth

5:50 pm - 10:19 pmICN Incheon Intl-MCI Kansas City

18h 29m1 stop Dallas/Fort Worth

$1,942American Airlines

Thu, Oct 1 - Sat, Oct 3

5:28 am - 3:45 pmMCI Kansas City-ICN Incheon Intl

20h 17m1 stop Dallas/Fort Worth

5:50 pm - 12:23 amICN Incheon Intl-MCI Kansas City

20h 33m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,946American Airlines

Thu, Oct 1 - Sat, Oct 3

6:40 am - 4:25 pmSTL Lambert-St Louis-ICN Incheon Intl

19h 45m1 stop Detroit Metropolitan Wayne County

8:45 am - 1:20 pmICN Incheon Intl-STL Lambert-St Louis

18h 35m1 stop Atlanta Hartsfield-Jackson

$1,957Korean Air

Sat, Oct 3 - Wed, Oct 7

7:38 am - 3:00 pmMCI Kansas City-ICN Incheon Intl

17h 22m1 stop San Francisco

4:50 pm - 9:52 pmICN Incheon Intl-MCI Kansas City

19h 02m1 stop San Francisco

$8,755Asiana Airlines

Tue, Sep 29 - Thu, Oct 1

6:00 am - 3:00 pmMCI Kansas City-ICN Incheon Intl

19h 00m2 stops Denver Intl San Francisco

11:30 am - 4:24 pmICN Incheon Intl-MCI Kansas City

18h 54m1 stop San Francisco

$8,759Asiana Airlines

Tue, Sep 29 - Thu, Oct 1

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Delta flights from Missouri to Seoul

Our best Delta deals on Missouri to Seoul flight tickets

Delta

Nov 10

STL12:29 pmLambert-St Louis

26h 16m

1 stop

ICN5:45 amIncheon Intl

Dec 9

ICN9:35 amIncheon Intl

18h 55m

1 stop

STL1:30 pmLambert-St Louis

$1,096

Delta

Jan 17

STL2:15 pmLambert-St Louis

35h 05m

1 stop

ICN4:20 pmIncheon Intl

Jan 26

ICN7:25 pmIncheon Intl

19h 14m

1 stop

STL11:39 pmLambert-St Louis

$1,101

Delta

Nov 7

STL6:00 amLambert-St Louis

18h 30m

1 stop

ICN3:30 pmIncheon Intl

Dec 8

ICN7:25 pmIncheon Intl

17h 13m

1 stop

STL9:38 pmLambert-St Louis

$1,146

United Airlines flights from Missouri to Seoul

Our best United Airlines deals on Missouri to Seoul flight tickets

United Airlines

Nov 10

STL2:55 pmLambert-St Louis

23h 45m

2 stops

ICN5:40 amIncheon Intl

Dec 9

ICN6:30 pmIncheon Intl

18h 45m

1 stop

STL10:15 pmLambert-St Louis

$1,100

United Airlines

Nov 8

STL5:00 pmLambert-St Louis

32h 25m

1 stop

ICN4:25 pmIncheon Intl

Dec 9

ICN12:45 pmIncheon Intl

19h 08m

2 stops

STL4:53 pmLambert-St Louis

$1,107

United Airlines

Nov 24

STL4:39 pmLambert-St Louis

22h 01m

2 stops

ICN5:40 amIncheon Intl

Dec 4

ICN12:45 pmIncheon Intl

20h 26m

1 stop

STL6:11 pmLambert-St Louis

$1,150

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sat 10/31

7:59 pm-9:20 pm

2 stops35h 21m

Incheon Intl

Sat 11/7

7:45 pm-11:19 am

2 stops30h 34m

$1,060

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Thu 3/25

7:00 am-6:35 pm

2 stops45h 35m

Incheon Intl

Thu 4/1

8:00 am-11:20 pm

2 stops29h 20m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

6:47 am-4:50 pm

1 stop20h 03m

Incheon Intl

Wed 11/25

9:35 am-8:29 pm

1 stop25h 54m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 11/11

6:40 am-4:50 pm

1 stop19h 10m

Incheon Intl

Thu 12/10

7:25 pm-12:05 am

1 stop19h 40m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 11/9

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Tue 12/8

12:45 pm-6:11 pm

1 stop20h 26m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 11/10

3:15 pm-5:40 am

2 stops23h 25m

Incheon Intl

Tue 11/17

12:45 pm-6:05 pm

1 stop20h 20m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Wed 2/17

6:55 pm-3:26 pm

2 stops35h 31m

$1,102

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Wed 2/17

8:10 pm-3:26 pm

1 stop34h 16m

$1,102

Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/2

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Wed 12/16

6:50 pm-8:19 pm

1 stop16h 29m

$1,196

SpringfieldIncheon

SGF Springfield-Branson - ICN Incheon Intl

SGFICN

Springfield-Branson

Mon 10/26

8:26 am-4:45 pm

1 stop18h 19m

Incheon Intl

Wed 11/18

6:50 pm-8:42 am

1 stop28h 52m

$1,202

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 $970.

Can stopping save me money on Missouri to Seoul flights?

You could potentially save up to 16% 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

Best Price Found	$455
Fastest flight time	19h 05m
Direct flights	None

The best one-way flight to Seoul from Missouri in the past 72 hours is $455. The best round-trip flight deal from Missouri to Seoul found on momondo in the last 72 hours is $1,060.

The fastest flight from Missouri to Seoul takes 19h 05m

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 6 operators available for flights from Missouri to Seoul as of September 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 8,609 reviews	Search Delta flights
American Airlines	PriceFrom $846	Free Cancellation	Rating 7.0 12,098 reviews	Search American Airlines flights
United Airlines	PriceFrom $865	Free Cancellation	Rating 7.4 10,250 reviews	Search United Airlines flights
Korean Air	PriceFrom $999	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Air Canada	PriceFrom $1,083	Free Cancellation	Rating 7.1 11,703 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $1,204	Free Cancellation	Rating 8.1 563 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 $455

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 12/5. 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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Cheap round-trip flights

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Big names and deals

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Delta flights from Missouri to Seoul

Our best Delta deals on Missouri to Seoul flight tickets

United Airlines flights from Missouri to Seoul

Our best United Airlines deals on Missouri to Seoul flight tickets

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

See travel insights to Seoul from

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

Best Price Found

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.

Popular cities in South Korea

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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