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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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Find the cheapest flights from Missouri to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 3:30 pm
STL
-
ICN
18h 20m
1 stop
Delta Logo
7:30 pm - 11:23 pm
ICN
-
STL
18h 53m
1 stop
$767Delta
Tue, Feb 10 - Thu, Feb 12
Delta Logo
6:10 am - 3:30 pm
STL
-
ICN
18h 20m
1 stop
Delta Logo
8:05 pm - 11:23 pm
ICN
-
STL
18h 18m
2 stops
$771Delta
Tue, Feb 10 - Thu, Feb 12
Multiple Airlines Logo
2:50 pm - 6:35 pm
STL
-
ICN
36h 45m
1 stop
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
STL
18h 24m
1 stop
$773Multiple Airlines
Tue, Feb 10 - Thu, Feb 12
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
2:45 pm - 5:40 am
STL
-
ICN
23h 55m
2 stops
United Airlines Logo
12:45 pm - 10:59 pm
ICN
-
STL
25h 14m
2 stops
$821United Airlines
Mon, Feb 16 - Fri, Feb 20
United Airlines Logo
5:25 pm - 4:15 pm
STL
-
ICN
31h 50m
1 stop
United Airlines Logo
11:45 am - 8:07 pm
ICN
-
STL
23h 22m
2 stops
$828United Airlines
Sun, Feb 15 - Sun, Mar 8
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
Japan Airlines Logo
8:54 am - 9:15 pm
STL
-
GMP
22h 21m
2 stops
Japan Airlines Logo
7:15 pm - 7:33 pm
GMP
-
STL
38h 18m
2 stops
$1,079Japan Airlines
Fri, Apr 17 - Thu, Apr 23
Japan Airlines Logo
6:21 am - 9:15 pm
STL
-
GMP
24h 54m
2 stops
Japan Airlines Logo
7:15 pm - 7:33 pm
GMP
-
STL
38h 18m
2 stops
$1,080Japan Airlines
Mon, Apr 13 - Thu, Apr 23
American Airlines Logo
7:46 pm - 3:45 pm
SGF
-
ICN
29h 59m
1 stop
American Airlines Logo
5:40 pm - 8:46 pm
ICN
-
SGF
17h 06m
1 stop
$1,177American Airlines
Wed, Apr 1 - Wed, Apr 22

United Airlines flights from Missouri to Seoul

Our best United Airlines deals on Missouri to Seoul 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
STL2:45 pmLambert-St Louis
23h 55m
2 stops
ICN5:40 amIncheon Intl
Feb 20
ICN12:45 pmIncheon Intl
25h 14m
2 stops
STL10:59 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 Seoul

Our best American Airlines deals on Missouri to Seoul 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
Feb 25
STL5:12 amLambert-St Louis
20h 33m
1 stop
ICN4:45 pmIncheon Intl
Mar 27
ICN5:55 pmIncheon Intl
31h 04m
1 stop
STL10:59 amLambert-St Louis
$1,021
American Airlines
Mar 9
MCI5:30 amKansas City
20h 25m
1 stop
ICN3:55 pmIncheon Intl
Mar 16
ICN5:55 pmIncheon Intl
19h 59m
2 stops
MCI11:54 pmKansas City
$1,147

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Seoul 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 8, 2026.
Use the filters below to find and compare flights from Missouri to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 2/10

6:10 am-3:30 pm

1 stop18h 20m

Incheon Intl

Thu 2/12

7:30 pm-11:23 pm

1 stop18h 53m

$767

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 2/10

6:10 am-3:30 pm

1 stop18h 20m

Incheon Intl

Thu 2/12

8:05 pm-11:23 pm

2 stops18h 18m

$771

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Tue 2/10

2:50 pm-6:35 pm

1 stop36h 45m

Incheon Intl

Thu 2/12

8:35 pm-11:59 pm

1 stop18h 24m

$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

Mon 2/16

2:45 pm-5:40 am

2 stops23h 55m

Incheon Intl

Fri 2/20

12:45 pm-10:59 pm

2 stops25h 14m

$821

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Sun 2/15

5:25 pm-4:15 pm

1 stop31h 50m

Incheon Intl

Sun 3/8

11:45 am-8:07 pm

2 stops23h 22m

$828

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

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Fri 4/17

8:54 am-9:15 pm

2 stops22h 21m

Seoul Gimpo Intl

Thu 4/23

7:15 pm-7:33 pm

2 stops38h 18m

$1,079

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 4/13

6:21 am-9:15 pm

2 stops24h 54m

Seoul Gimpo Intl

Thu 4/23

7:15 pm-7:33 pm

2 stops38h 18m

$1,080

SpringfieldIncheon

SGF - ICN

SGFICN

Springfield-Branson

Wed 4/1

7:46 pm-3:45 pm

1 stop29h 59m

Incheon Intl

Wed 4/22

5:40 pm-8:46 pm

1 stop17h 06m

$1,177

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 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

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from Missouri averaging around $865.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Missouri when booking week ahead of your departure date. In general, you can expect to find flights to Seoul 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 Seoul from Missouri for as low as $907 on momondo.

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 30m

Direct flights

None
The fastest flight from Missouri to Seoul takes 17h 30m
There are no direct flights from Missouri to Seoul. There are no popular flight routes from Missouri to Seoul.
Search flight deals

  • 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?

  • 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
American AirlinesPriceFrom $846Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.9
8,172 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
Air CanadaPriceFrom $874Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
Korean AirPriceFrom $1,046Free CancellationRating
8.4
1,188 reviews
Search Korean Air 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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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
Seoul Gimpo Intl Airport
Incheon Intl Airport