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Cheap flights from Missouri to Seoul from $476

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 10/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
38h 15m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
8:10 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
34h 16m1 stop Toronto Pearson Intl
$1,018Air Canada
Mon, Oct 5 - Wed, Nov 4
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
38h 15m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:55 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
35h 31m2 stops Vancouver Intl Toronto Pearson Intl
$1,018Air Canada
Mon, Oct 5 - Wed, Nov 4
JetBlue Logo
4:23 pm - 4:45 amMCI  Kansas City-ICN Incheon Intl
22h 22m1 stop Atlanta Hartsfield-Jackson
JetBlue Logo
6:45 pm - 11:30 pmICN  Incheon Intl-MCI Kansas City
19h 45m1 stop Seattle/Tacoma Intl
$1,049JetBlue
Thu, Oct 29 - Mon, Nov 9
Asiana Airlines Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
38h 15m1 stop Montreal Pierre Elliott Trudeau Intl
Asiana Airlines Logo
7:05 pm - 2:00 pmICN  Incheon Intl-STL Lambert-St Louis
32h 55m1 stop Toronto Pearson Intl
$1,077Asiana Airlines
Mon, Sep 7 - Wed, Sep 16
Asiana Airlines Logo
4:05 pm - 5:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 20m1 stop Toronto Pearson Intl
Asiana Airlines Logo
8:10 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
34h 16m1 stop Toronto Pearson Intl
$1,082Asiana Airlines
Mon, Oct 26 - Wed, Nov 4
American Airlines Logo
5:20 am - 4:25 pmMCI  Kansas City-ICN Incheon Intl
20h 05m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 11:42 pmICN  Incheon Intl-MCI Kansas City
19h 52m1 stop Dallas/Fort Worth
$1,107American Airlines
Thu, Nov 5 - Thu, Nov 19
Delta Logo
2:25 pm - 4:45 amSTL  Lambert-St Louis-ICN Incheon Intl
24h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 pm - 9:59 pmICN  Incheon Intl-STL Lambert-St Louis
19h 19m1 stop Atlanta Hartsfield-Jackson
$1,107Delta
Wed, Oct 28 - Wed, Nov 4
Delta Logo
7:00 am - 3:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 pm - 11:54 pmICN  Incheon Intl-STL Lambert-St Louis
21h 14m1 stop Atlanta Hartsfield-Jackson
$1,107Delta
Mon, Oct 26 - Thu, Nov 5
United Airlines Logo
3:29 pm - 4:20 amMCI  Kansas City-ICN Incheon Intl
22h 51m1 stop San Francisco
United Airlines Logo
11:30 am - 11:44 pmICN  Incheon Intl-MCI Kansas City
26h 14m2 stops San Francisco Denver Intl
$1,107United Airlines
Tue, Sep 1 - Wed, Sep 30
United Airlines Logo
5:13 pm - 4:20 amMCI  Kansas City-ICN Incheon Intl
21h 07m2 stops Denver Intl San Francisco
United Airlines Logo
11:30 am - 11:30 pmICN  Incheon Intl-MCI Kansas City
26h 00m2 stops San Francisco Denver Intl
$1,107United Airlines
Thu, Aug 27 - Tue, Sep 8

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Delta flights from Missouri to Incheon Intl Airport

Our best Delta deals on Missouri to Incheon Intl Airport flight tickets
Delta
Oct 26
STL7:00 amLambert-St Louis
18h 30m
1 stop
ICN3:30 pmIncheon Intl
Nov 5
ICN5:40 pmIncheon Intl
21h 14m
1 stop
STL11:54 pmLambert-St Louis
$1,107
Delta
Aug 24
SGF11:38 amSpringfield-Branson
26h 22m
1 stop
ICN4:00 amIncheon Intl
Sep 30
ICN7:40 pmIncheon Intl
32h 54m
2 stops
SGF2:34 pmSpringfield-Branson
$1,112
Delta
Sep 6
STL5:23 pmLambert-St Louis
30h 47m
1 stop
ICN2:10 pmIncheon Intl
Sep 15
ICN10:15 amIncheon Intl
16h 51m
1 stop
STL1:06 pmLambert-St Louis
$1,113

United Airlines flights from Missouri to Incheon Intl Airport

Our best United Airlines deals on Missouri to Incheon Intl Airport flight tickets
United Airlines
Sep 23
MCI5:13 pmKansas City
21h 07m
2 stops
ICN4:20 amIncheon Intl
Oct 5
ICN11:30 amIncheon Intl
26h 14m
2 stops
MCI11:44 pmKansas City
$1,107
United Airlines
Oct 26
STL4:39 pmLambert-St Louis
22h 01m
2 stops
ICN4:40 amIncheon Intl
Nov 4
ICN6:00 pmIncheon Intl
20h 24m
2 stops
STL11:24 pmLambert-St Louis
$1,112
United Airlines
Oct 25
STL5:00 pmLambert-St Louis
32h 25m
1 stop
ICN3:25 pmIncheon Intl
Nov 5
ICN6:30 pmIncheon Intl
18h 22m
1 stop
STL9:52 pmLambert-St Louis
$1,114

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 August 14, 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

Cheapest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/5

12:10 pm-4:25 pm

1 stop38h 15m

Incheon Intl

Wed 11/4

8:10 pm-3:26 pm

1 stop34h 16m

$1,018

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/5

12:10 pm-4:25 pm

1 stop38h 15m

Incheon Intl

Wed 11/4

6:55 pm-3:26 pm

2 stops35h 31m

$1,018

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Thu 10/29

4:23 pm-4:45 am

1 stop22h 22m

Incheon Intl

Mon 11/9

6:45 pm-11:30 pm

1 stop19h 45m

$1,049

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 9/7

12:10 pm-4:25 pm

1 stop38h 15m

Incheon Intl

Wed 9/16

7:05 pm-2:00 pm

1 stop32h 55m

$1,077

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

4:05 pm-5:25 pm

1 stop35h 20m

Incheon Intl

Wed 11/4

8:10 pm-3:26 pm

1 stop34h 16m

$1,082

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Thu 11/5

5:20 am-4:25 pm

1 stop20h 05m

Incheon Intl

Thu 11/19

6:50 pm-11:42 pm

1 stop19h 52m

$1,107

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 10/28

2:25 pm-4:45 am

1 stop24h 20m

Incheon Intl

Wed 11/4

5:40 pm-9:59 pm

1 stop19h 19m

$1,107
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

7:00 am-3:30 pm

1 stop18h 30m

Incheon Intl

Thu 11/5

5:40 pm-11:54 pm

1 stop21h 14m

$1,107

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Tue 9/1

3:29 pm-4:20 am

1 stop22h 51m

Incheon Intl

Wed 9/30

11:30 am-11:44 pm

2 stops26h 14m

$1,107

Kansas CityIncheon

MCI Kansas City - ICN Incheon Intl

MCIICN

Kansas City

Thu 8/27

5:13 pm-4:20 am

2 stops21h 07m

Incheon Intl

Tue 9/8

11:30 am-11:30 pm

2 stops26h 00m

$1,107

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February. Flight prices, which tend to average around $868, 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 February, then departing from Missouri during the month October is also very affordable. Most momondo users find prices during this month for around $966.

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 34m

Direct flights

None
The fastest flight from Missouri to Incheon Intl Airport takes 18h 34m
There are no direct flights from Missouri to Incheon Intl Airport. There are no popular flight routes from Missouri to Incheon Intl Airport.
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Frequently asked questions about flying from Missouri to Incheon Intl Airport

  • 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
DeltaPriceFrom $769Free CancellationRating
7.8
8,501 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights
Korean AirPriceFrom $999Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
Air CanadaPriceFrom $1,083Free CancellationRating
7.1
11,471 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,204Free CancellationRating
8.1
556 reviews
Search Asiana Airlines flights

Traveling to a place near Seoul?

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