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Cheap flights from St. Louis to Seoul from $503

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:04 pm - 4:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 16m2 stops Denver Intl Los Angeles
Multiple Airlines Logo
10:20 pm - 1:07 pmICN  Incheon Intl-STL Lambert-St Louis
29h 47m2 stops Los Angeles Las Vegas Harry Reid Intl
$1,014Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Korean Air Logo
6:00 am - 6:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
21h 20m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
10:35 am - 6:01 pmICN  Incheon Intl-STL Lambert-St Louis
22h 26m1 stop Atlanta Hartsfield-Jackson
$1,067Korean Air
Wed, Feb 3 - Thu, Feb 11
Multiple Airlines Logo
6:01 am - 12:40 amSTL  Lambert-St Louis-ICN Incheon Intl
27h 39m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
1:55 am - 7:32 pmICN  Incheon Intl-STL Lambert-St Louis
32h 37m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,092Multiple Airlines
Wed, Feb 3 - Wed, Feb 10
Delta Logo
6:03 am - 3:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 47m1 stop Minneapolis St Paul
Delta Logo
5:40 pm - 10:04 pmICN  Incheon Intl-STL Lambert-St Louis
19h 24m1 stop Atlanta Hartsfield-Jackson
$1,097Delta
Mon, Dec 7 - Thu, Dec 24
Delta Logo
6:40 am - 4:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 10m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:40 pm - 9:28 pmICN  Incheon Intl-STL Lambert-St Louis
17h 48m1 stop Salt Lake City
$1,097Delta
Wed, Nov 25 - Wed, Dec 2
United Airlines Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Newark
United Airlines Logo
6:30 pm - 10:59 pmICN  Incheon Intl-STL Lambert-St Louis
19h 29m1 stop Newark
$1,097United Airlines
Tue, Dec 8 - Mon, Dec 21
United Airlines Logo
6:09 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 16m1 stop Newark
United Airlines Logo
6:00 pm - 5:06 amICN  Incheon Intl-STL Lambert-St Louis
26h 06m1 stop San Francisco
$1,097United Airlines
Wed, Dec 9 - Mon, Dec 21
American Airlines Logo
5:50 am - 4:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 55m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 12:16 amICN  Incheon Intl-STL Lambert-St Louis
20h 26m1 stop Dallas/Fort Worth
$1,097American Airlines
Wed, Dec 9 - Wed, Dec 23
American Airlines Logo
5:50 am - 4:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 55m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 12:16 amICN  Incheon Intl-STL Lambert-St Louis
20h 26m1 stop Dallas/Fort Worth
$1,097American Airlines
Tue, Dec 8 - Mon, Dec 21
Korean Air Logo
9:00 am - 5:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 50m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
10:35 am - 8:49 pmICN  Incheon Intl-STL Lambert-St Louis
24h 14m1 stop Atlanta Hartsfield-Jackson
$1,100Korean Air
Tue, Apr 13 - Sat, Apr 24

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Delta flights from St. Louis to Seoul

Our best Delta deals on St. Louis to Seoul flight tickets
Delta
Dec 8
STL6:00 amLambert-St Louis
18h 30m
1 stop
ICN3:30 pmIncheon Intl
Dec 24
ICN7:25 pmIncheon Intl
17h 39m
1 stop
STL10:04 pmLambert-St Louis
$1,097
Delta
Dec 8
STL6:03 amLambert-St Louis
20h 42m
2 stops
ICN5:45 pmIncheon Intl
Dec 22
ICN6:45 pmIncheon Intl
21h 01m
2 stops
STL12:46 amLambert-St Louis
$1,101
Delta
Nov 1
STL2:25 pmLambert-St Louis
34h 05m
1 stop
ICN3:30 pmIncheon Intl
Nov 22
ICN5:40 pmIncheon Intl
21h 16m
1 stop
STL11:56 pmLambert-St Louis
$1,102

Korean Air flights from St. Louis to Seoul

Our best Korean Air deals on St. Louis to Seoul flight tickets
Korean Air
Dec 7
STL7:03 amLambert-St Louis
20h 17m
1 stop
ICN6:20 pmIncheon Intl
Dec 23
ICN8:45 amIncheon Intl
18h 07m
1 stop
STL11:52 amLambert-St Louis
$1,100
Korean Air
Nov 12
STL5:30 pmLambert-St Louis
33h 50m
1 stop
ICN6:20 pmIncheon Intl
Nov 16
ICN10:35 amIncheon Intl
28h 21m
1 stop
STL11:56 pmLambert-St Louis
$1,343
Korean Air
Nov 12
STL6:13 amLambert-St Louis
18h 37m
1 stop
ICN3:50 pmIncheon Intl
Nov 16
ICN7:25 pmIncheon Intl
17h 17m
1 stop
STL9:42 pmLambert-St Louis
$1,480

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Seoul 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

Wed 11/25

3:04 pm-4:20 pm

2 stops34h 16m

Incheon Intl

Wed 12/2

10:20 pm-1:07 pm

2 stops29h 47m

$1,014

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

6:00 am-6:20 pm

1 stop21h 20m

Incheon Intl

Thu 2/11

10:35 am-6:01 pm

1 stop22h 26m

$1,067

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

6:01 am-12:40 am

2 stops27h 39m

Incheon Intl

Wed 2/10

1:55 am-7:32 pm

2 stops32h 37m

$1,092

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 12/7

6:03 am-3:50 pm

1 stop18h 47m

Incheon Intl

Thu 12/24

5:40 pm-10:04 pm

1 stop19h 24m

$1,097
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 11/25

6:40 am-4:50 pm

1 stop19h 10m

Incheon Intl

Wed 12/2

6:40 pm-9:28 pm

1 stop17h 48m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 12/8

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Mon 12/21

6:30 pm-10:59 pm

1 stop19h 29m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/9

6:09 am-4:25 pm

1 stop19h 16m

Incheon Intl

Mon 12/21

6:00 pm-5:06 am

1 stop26h 06m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/9

5:50 am-4:45 pm

1 stop19h 55m

Incheon Intl

Wed 12/23

6:50 pm-12:16 am

1 stop20h 26m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 12/8

5:50 am-4:45 pm

1 stop19h 55m

Incheon Intl

Mon 12/21

6:50 pm-12:16 am

1 stop20h 26m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 4/13

9:00 am-5:50 pm

1 stop18h 50m

Incheon Intl

Sat 4/24

10:35 am-8:49 pm

1 stop24h 14m

$1,100

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 St. Louis 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 April is another great option to travel to Seoul, with average flight prices from St. Louis averaging around $915.

When to book flights from St. Louis to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Seoul (STL to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Seoul

Best Price Found

$503

Fastest flight time

19h 10m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $503. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,014.
The fastest flight from St. Louis to Seoul takes 19h 10m
There are no direct flights from St. Louis to Seoul. There are no popular flight routes from St. Louis to Seoul.
Search flight deals

Frequently asked questions about flying from St. Louis to Seoul

  • How far is Lambert-St Louis to Seoul by plane?

    The distance between Lambert-St Louis and Seoul is about 6661.9 mi. 19h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Seoul?

    Prices for flights from Lambert-St Louis Airport to Seoul are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Seoul?

  • How old do you have to be to fly from Lambert-St Louis Airport to Seoul?

    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 Lambert-St Louis Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Seoul?

Best airlines flying from St. Louis to Seoul

Compare and see reviews for airlines that fly from St. Louis to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $846Free CancellationRating
7.8
8,683 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.3
10,445 reviews
Search United Airlines flights
Korean AirPriceFrom $999Free CancellationRating
8.4
1,219 reviews
Search Korean Air flights
Air CanadaPriceFrom $1,083Free CancellationRating
7.1
11,822 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,113Free CancellationRating
7.0
12,201 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Seoul?

Finding the right flight to Seoul from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

Can I find flights from St. Louis to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport
Incheon Intl Airport