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Cheap flights from Missouri to Seoul from $371

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 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 6:35 pm
STL
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
STL
17h 24m
1 stop
$767Multiple Airlines
Thu, Feb 19 - Sun, Mar 8
Multiple Airlines Logo
7:00 am - 6:35 pm
STL
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 1:51 pm
ICN
-
STL
31h 16m
1 stop
$773Multiple Airlines
Wed, Feb 18 - Sun, Mar 8
Multiple Airlines Logo
7:00 am - 6:35 pm
STL
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
STL
17h 24m
1 stop
$779Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
8:17 am - 5:40 am
STL
-
ICN
30h 23m
2 stops
United Airlines Logo
11:45 am - 9:25 pm
ICN
-
STL
24h 40m
1 stop
$821United Airlines
Wed, Feb 18 - Sun, Mar 8
United Airlines Logo
7:05 pm - 4:20 am
STL
-
ICN
19h 15m
1 stop
United Airlines Logo
4:50 pm - 5:50 am
ICN
-
STL
27h 00m
1 stop
$867United Airlines
Thu, Apr 16 - Fri, Apr 24
Delta Logo
5:59 pm - 4:50 pm
STL
-
ICN
32h 51m
1 stop
Delta Logo
6:50 pm - 11:58 pm
ICN
-
STL
19h 08m
1 stop
$872Delta
Mon, Mar 16 - Tue, Mar 31
American Airlines Logo
7:08 am - 3:45 pm
SGF
-
ICN
18h 37m
1 stop
American Airlines Logo
5:40 pm - 10:24 am
ICN
-
SGF
30h 44m
1 stop
$923American Airlines
Fri, Apr 17 - Tue, Apr 28
American Airlines Logo
12:05 pm - 3:55 pm
SGF
-
ICN
37h 50m
1 stop
American Airlines Logo
5:55 pm - 10:09 am
ICN
-
SGF
30h 14m
1 stop
$928American Airlines
Sun, Mar 8 - Sun, Mar 15
China Eastern Logo
7:08 am - 3:05 pm
MCI
-
ICN
41h 57m
2 stops
China Eastern Logo
6:25 pm - 11:56 pm
ICN
-
MCI
43h 31m
2 stops
$1,088China Eastern
Mon, Mar 9 - Mon, Mar 16
Delta Logo
6:55 pm - 4:00 am
SGF
-
ICN
19h 05m
1 stop
Delta Logo
4:25 pm - 9:07 pm
ICN
-
SGF
18h 42m
1 stop
$1,191Delta
Sun, Mar 29 - Tue, Apr 21

United Airlines flights from Missouri to Incheon Intl Airport

Our best United Airlines deals on Missouri to Incheon Intl Airport flight tickets
United Airlines
Feb 16
STL5:25 pmLambert-St Louis
21h 15m
1 stop
ICN5:40 amIncheon Intl
Feb 20
ICN12:45 pmIncheon Intl
18h 59m
1 stop
STL4:44 pmLambert-St Louis
$817
United Airlines
Feb 16
STL11:25 amLambert-St Louis
27h 15m
2 stops
ICN5:40 amIncheon Intl
Feb 20
ICN12:45 pmIncheon Intl
18h 59m
1 stop
STL4:44 pmLambert-St Louis
$821
United Airlines
Feb 15
STL5:25 pmLambert-St Louis
31h 50m
1 stop
ICN4:15 pmIncheon Intl
Mar 8
ICN11:45 amIncheon Intl
23h 22m
2 stops
STL8:07 pmLambert-St Louis
$828

American Airlines flights from Missouri to Incheon Intl Airport

Our best American Airlines deals on Missouri to Incheon Intl Airport flight tickets
American Airlines
Apr 17
SGF7:08 amSpringfield-Branson
18h 37m
1 stop
ICN3:45 pmIncheon Intl
Apr 28
ICN5:40 pmIncheon Intl
30h 44m
1 stop
SGF10:24 amSpringfield-Branson
$923
American Airlines
Mar 8
SGF12:05 pmSpringfield-Branson
37h 50m
1 stop
ICN3:55 pmIncheon Intl
Mar 15
ICN5:55 pmIncheon Intl
30h 14m
1 stop
SGF10:09 amSpringfield-Branson
$928
American Airlines
Mar 8
STL5:12 amLambert-St Louis
20h 43m
1 stop
ICN3:55 pmIncheon Intl
Mar 15
ICN5:55 pmIncheon Intl
19h 03m
1 stop
STL10:58 pmLambert-St Louis
$989

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Incheon Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Missouri to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 2/19

7:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Sun 3/8

8:35 pm-11:59 pm

1 stop17h 24m

$767

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 2/18

7:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Sun 3/8

8:35 pm-1:51 pm

1 stop31h 16m

$773

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 3/4

7:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Mon 3/9

8:35 pm-11:59 pm

1 stop17h 24m

$779

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Wed 2/18

8:17 am-5:40 am

2 stops30h 23m

Incheon Intl

Sun 3/8

11:45 am-9:25 pm

1 stop24h 40m

$821

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 4/16

7:05 pm-4:20 am

1 stop19h 15m

Incheon Intl

Fri 4/24

4:50 pm-5:50 am

1 stop27h 00m

$867

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 3/16

5:59 pm-4:50 pm

1 stop32h 51m

Incheon Intl

Tue 3/31

6:50 pm-11:58 pm

1 stop19h 08m

$872

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Fri 4/17

7:08 am-3:45 pm

1 stop18h 37m

Incheon Intl

Tue 4/28

5:40 pm-10:24 am

1 stop30h 44m

$923

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Sun 3/8

12:05 pm-3:55 pm

1 stop37h 50m

Incheon Intl

Sun 3/15

5:55 pm-10:09 am

1 stop30h 14m

$928

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Mon 3/9

7:08 am-3:05 pm

2 stops41h 57m

Incheon Intl

Mon 3/16

6:25 pm-11:56 pm

2 stops43h 31m

$1,088

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Sun 3/29

6:55 pm-4:00 am

1 stop19h 05m

Incheon Intl

Tue 4/21

4:25 pm-9:07 pm

1 stop18h 42m

$1,191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Missouri to Incheon Intl Airport

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 month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Missouri is in December. Flight prices, which tend to average around $846, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of December, then departing from Missouri during the month February is also very affordable. Most momondo users find prices during this month for around $865.

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Missouri when booking week ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,143 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Missouri for as low as $907 on momondo.

Can stopping save me money on Missouri to Incheon Intl Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Missouri to Incheon Intl Airport flight.

Cheap Missouri to Incheon Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Incheon Intl Airport

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Missouri to Incheon Intl Airport takes 18h 00m
There are no direct flights from Missouri to Incheon Intl Airport. There are no popular flight routes from Missouri to Incheon Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Incheon Intl Airport?

    Prices for flights from Missouri to Incheon Intl Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Incheon Intl Airport?

  • How old do you have to be to fly from Missouri to Incheon Intl 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 Missouri to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Incheon Intl Airport

Compare and see reviews for airlines that fly from Missouri to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $846Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.9
8,174 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
Air CanadaPriceFrom $874Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
Korean AirPriceFrom $1,046Free CancellationRating
8.4
1,189 reviews
Search Korean Air flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
Anyang

Why use momondo?

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

It is quick and easy to find Missouri to Seoul 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 Seoul that suits you.

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

Yes. momondo allows you to filter the results for Missouri to Seoul flights to just show those with flexible booking policies.

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

Once all potential Missouri to Seoul 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 Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missouri to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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