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Cheap flights from Missouri to Seoul from $448

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 8/17. 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

Air Canada Logo
1:30 pm - 4:05 pmSTL-ICN
36h 35m2 stops
Air Canada Logo
6:00 pm - 7:57 pmICN-STL
39h 57m1 stop
$772Air Canada
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Tue, Sep 16 - Wed, Sep 24
Air Canada Logo
1:30 pm - 4:15 pmSTL-ICN
36h 45m1 stop
Air Canada Logo
5:45 pm - 3:18 pmICN-STL
35h 33m2 stops
$777Air Canada
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Mon, Sep 1 - Sat, Sep 20
Logo
4:05 pm - 5:30 pmSTL-ICN
35h 25m1 stop
Logo
8:30 am - 7:57 pmICN-STL
25h 27m2 stops
$807
Find Deal
Tue, Sep 2 - Tue, Sep 9
Delta Logo
6:00 am - 2:10 pmSTL-ICN
18h 10m1 stop
Delta Logo
6:40 pm - 11:09 pmICN-STL
18h 29m1 stop
$856Delta
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Tue, Sep 2 - Sat, Sep 13
United Airlines Logo
3:14 pm - 5:40 amSTL-ICN
23h 26m2 stops
United Airlines Logo
6:00 pm - 10:51 amICN-STL
31h 51m2 stops
$859United Airlines
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Mon, Nov 10 - Thu, Nov 27
Delta Logo
6:00 am - 5:20 pmSTL-ICN
21h 20m1 stop
Delta Logo
9:35 am - 8:23 pmICN-STL
24h 48m1 stop
$861Delta
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Sat, Sep 27 - Sun, Oct 26
American Airlines Logo
5:15 am - 3:30 pmSTL-ICN
20h 15m1 stop
American Airlines Logo
5:25 pm - 8:16 pmICN-STL
16h 51m1 stop
$866American Airlines
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Tue, Aug 26 - Sun, Sep 7
American Airlines Logo
6:57 am - 3:30 pmSGF-ICN
18h 33m1 stop
American Airlines Logo
5:25 pm - 9:39 amICN-SGF
30h 14m1 stop
$932American Airlines
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Fri, Sep 19 - Fri, Sep 26
United Airlines Logo
5:11 pm - 3:15 pmSTL-ICN
32h 04m2 stops
United Airlines Logo
12:45 pm - 5:27 pmICN-STL
18h 42m1 stop
$950United Airlines
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Sat, Oct 25 - Sun, Nov 2
Logo
2:55 pm - 9:35 pmMCI-ICN
40h 40m2 stops
Logo
10:05 pm - 3:10 pmICN-MCI
31h 05m1 stop
$951
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Mon, Sep 8 - Mon, Sep 15

Alaska Airlines flights from Missouri to Incheon Intl Airport

Our best Alaska Airlines deals on Missouri to Incheon Intl Airport flight tickets
Alaska Airlines
Oct 25
STL6:33 amLambert-St Louis
22h 02m
1 stop
ICN6:35 pmIncheon Intl
Nov 2
ICN8:35 pmIncheon Intl
33h 43m
1 stop
STL3:18 pmLambert-St Louis
$874
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Alaska Airlines
Sep 1
MCI7:59 pmKansas City
33h 01m
3 stops
ICN7:00 pmIncheon Intl
Sep 7
ICN9:25 pmIncheon Intl
32h 36m
2 stops
MCI4:01 pmKansas City
$1,177
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Alaska Airlines
Sep 4
MCI7:59 pmKansas City
33h 01m
2 stops
ICN7:00 pmIncheon Intl
Sep 10
ICN9:25 pmIncheon Intl
32h 36m
2 stops
MCI4:01 pmKansas City
$1,185
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Qatar Airways flights from Missouri to Incheon Intl Airport

Our best Qatar Airways deals on Missouri to Incheon Intl Airport flight tickets
Qatar Airways
Feb 2
SGF12:09 pmSpringfield-Branson
38h 06m
2 stops
ICN5:15 pmIncheon Intl
Feb 16
ICN12:20 amIncheon Intl
34h 51m
2 stops
SGF8:11 pmSpringfield-Branson
$1,472
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Qatar Airways
Aug 17
MCI9:28 amKansas City
41h 37m
2 stops
ICN5:05 pmIncheon Intl
Aug 28
ICN1:20 amIncheon Intl
50h 41m
2 stops
MCI2:01 pmKansas City
$1,712
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Qatar Airways
Aug 14
STL6:41 amLambert-St Louis
44h 24m
2 stops
ICN5:05 pmIncheon Intl
Aug 20
ICN1:20 amIncheon Intl
32h 09m
2 stops
STL7:29 pmLambert-St Louis
$3,164
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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 7, 2025.
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

Tue 9/16

1:30 pm-4:05 pm

2 stops36h 35m

Incheon Intl

Wed 9/24

6:00 pm-7:57 pm

1 stop39h 57m

$772

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 9/1

1:30 pm-4:15 pm

1 stop36h 45m

Incheon Intl

Sat 9/20

5:45 pm-3:18 pm

2 stops35h 33m

$777

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 9/2

4:05 pm-5:30 pm

1 stop35h 25m

Incheon Intl

Tue 9/9

8:30 am-7:57 pm

2 stops25h 27m

$807

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 9/2

6:00 am-2:10 pm

1 stop18h 10m

Incheon Intl

Sat 9/13

6:40 pm-11:09 pm

1 stop18h 29m

$856

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Mon 11/10

3:14 pm-5:40 am

2 stops23h 26m

Incheon Intl

Thu 11/27

6:00 pm-10:51 am

2 stops31h 51m

$859

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 9/27

6:00 am-5:20 pm

1 stop21h 20m

Incheon Intl

Sun 10/26

9:35 am-8:23 pm

1 stop24h 48m

$861

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 8/26

5:15 am-3:30 pm

1 stop20h 15m

Incheon Intl

Sun 9/7

5:25 pm-8:16 pm

1 stop16h 51m

$866

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Fri 9/19

6:57 am-3:30 pm

1 stop18h 33m

Incheon Intl

Fri 9/26

5:25 pm-9:39 am

1 stop30h 14m

$932

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sat 10/25

5:11 pm-3:15 pm

2 stops32h 04m

Incheon Intl

Sun 11/2

12:45 pm-5:27 pm

1 stop18h 42m

$950

Kansas CityIncheon

MCI - ICN

MCIICN

Kansas City

Mon 9/8

2:55 pm-9:35 pm

2 stops40h 40m

Incheon Intl

Mon 9/15

10:05 pm-3:10 pm

1 stop31h 05m

$951

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 January. Flight prices, which tend to average around $902, 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 January, then departing from Missouri during the month March is also very affordable. Most momondo users find prices during this month for around $938.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Missouri to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,462. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,782. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Missouri to Incheon Intl Airport when you can find flight prices for as low as $1,485. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,718 on average. Flights to Incheon Intl Airport from Missouri at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,260 when searching weeks 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 $1,068 on momondo.

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

You could potentially save up to 15% 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

Best Price Found

$448

Fastest flight time

16h 52m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Missouri in the past 72 hours is $448. The best round-trip flight deal from Missouri to Incheon Intl Airport found on momondo in the last 72 hours is $772.
The fastest flight from Missouri to Incheon Intl Airport takes 16h 52m
There are no direct flights from Missouri to Incheon Intl Airport. Popular non-direct routes for this connection are Kansas City Airport - Incheon Intl Airport, Springfield-Branson Airport - Incheon Intl Airport and Lambert-St Louis Airport - Incheon Intl Airport.
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  • 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
Air CanadaPriceFrom $799Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
United AirlinesPriceFrom $877Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
DeltaPriceFrom $877Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $976Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,046Free CancellationRating
8.4
1,121 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
Seongnam
Daejeon
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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