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Cheap flights from St. Louis to Seoul from $455

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
7:59 pm - 9:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 21m2 stops Denver Intl San Francisco
Multiple Airlines Logo
7:45 pm - 11:19 amICN  Incheon Intl-STL Lambert-St Louis
30h 34m2 stops San Francisco Dallas/Fort Worth
$1,060Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
Multiple Airlines Logo
6:04 am - 12:40 amSTL  Lambert-St Louis-ICN Incheon Intl
28h 36m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
7:35 pm - 4:34 pmICN  Incheon Intl-STL Lambert-St Louis
35h 59m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,091Multiple Airlines
Mon, Oct 26 - Wed, Nov 25
Delta Logo
6:47 am - 4:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
20h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:35 am - 8:29 pmICN  Incheon Intl-STL Lambert-St Louis
25h 54m1 stop Detroit Metropolitan Wayne County
$1,096Delta
Mon, Oct 26 - Wed, Nov 25
Delta Logo
6:40 am - 4:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 10m1 stop Detroit Metropolitan Wayne County
Delta Logo
7:25 pm - 12:05 amICN  Incheon Intl-STL Lambert-St Louis
19h 40m1 stop Atlanta Hartsfield-Jackson
$1,096Delta
Wed, Nov 11 - Thu, Dec 10
United Airlines Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Newark
United Airlines Logo
12:45 pm - 6:11 pmICN  Incheon Intl-STL Lambert-St Louis
20h 26m1 stop San Francisco
$1,096United Airlines
Mon, Nov 9 - Tue, Dec 8
United Airlines Logo
3:15 pm - 5:40 amSTL  Lambert-St Louis-ICN Incheon Intl
23h 25m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
12:45 pm - 6:05 pmICN  Incheon Intl-STL Lambert-St Louis
20h 20m1 stop San Francisco
$1,096United Airlines
Tue, Nov 10 - Tue, Nov 17
Air Canada Logo
4:05 pm - 6:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 20m1 stop Toronto Pearson Intl
Air Canada Logo
6:55 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
35h 31m2 stops Vancouver Intl Toronto Pearson Intl
$1,102Air Canada
Wed, Feb 3 - Wed, Feb 17
Air Canada Logo
4:05 pm - 6:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 20m1 stop Toronto Pearson Intl
Air Canada Logo
8:10 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
34h 16m1 stop Toronto Pearson Intl
$1,102Air Canada
Wed, Feb 3 - Wed, Feb 17
American Airlines Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 8:19 pmICN  Incheon Intl-STL Lambert-St Louis
16h 29m1 stop Dallas/Fort Worth
$1,196American Airlines
Wed, Dec 2 - Wed, Dec 16
American Airlines Logo
4:31 pm - 4:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
33h 14m1 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
$1,917American Airlines
Sat, Nov 21 - Fri, Jan 1

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Delta flights from St. Louis to Seoul

Our best Delta deals on St. Louis to Seoul flight tickets
Delta
Nov 10
STL12:29 pmLambert-St Louis
26h 16m
1 stop
ICN5:45 amIncheon Intl
Dec 9
ICN9:35 amIncheon Intl
18h 55m
1 stop
STL1:30 pmLambert-St Louis
$1,096
Delta
Jan 17
STL2:15 pmLambert-St Louis
35h 05m
1 stop
ICN4:20 pmIncheon Intl
Jan 26
ICN7:25 pmIncheon Intl
19h 14m
1 stop
STL11:39 pmLambert-St Louis
$1,101
Delta
Nov 7
STL6:00 amLambert-St Louis
18h 30m
1 stop
ICN3:30 pmIncheon Intl
Dec 8
ICN7:25 pmIncheon Intl
17h 13m
1 stop
STL9:38 pmLambert-St Louis
$1,146

United Airlines flights from St. Louis to Seoul

Our best United Airlines deals on St. Louis to Seoul flight tickets
United Airlines
Nov 10
STL2:55 pmLambert-St Louis
23h 45m
2 stops
ICN5:40 amIncheon Intl
Dec 9
ICN6:30 pmIncheon Intl
18h 45m
1 stop
STL10:15 pmLambert-St Louis
$1,100
United Airlines
Nov 8
STL5:00 pmLambert-St Louis
32h 25m
1 stop
ICN4:25 pmIncheon Intl
Dec 9
ICN12:45 pmIncheon Intl
19h 08m
2 stops
STL4:53 pmLambert-St Louis
$1,107
United Airlines
Nov 24
STL4:39 pmLambert-St Louis
22h 01m
2 stops
ICN5:40 amIncheon Intl
Dec 4
ICN12:45 pmIncheon Intl
20h 26m
1 stop
STL6:11 pmLambert-St Louis
$1,150

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

Sat 10/31

7:59 pm-9:20 pm

2 stops35h 21m

Incheon Intl

Sat 11/7

7:45 pm-11:19 am

2 stops30h 34m

$1,060

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

6:04 am-12:40 am

2 stops28h 36m

Incheon Intl

Wed 11/25

7:35 pm-4:34 pm

2 stops35h 59m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

6:47 am-4:50 pm

1 stop20h 03m

Incheon Intl

Wed 11/25

9:35 am-8:29 pm

1 stop25h 54m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 11/11

6:40 am-4:50 pm

1 stop19h 10m

Incheon Intl

Thu 12/10

7:25 pm-12:05 am

1 stop19h 40m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 11/9

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Tue 12/8

12:45 pm-6:11 pm

1 stop20h 26m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 11/10

3:15 pm-5:40 am

2 stops23h 25m

Incheon Intl

Tue 11/17

12:45 pm-6:05 pm

1 stop20h 20m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Wed 2/17

6:55 pm-3:26 pm

2 stops35h 31m

$1,102

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 2/3

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Wed 2/17

8:10 pm-3:26 pm

1 stop34h 16m

$1,102
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/2

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Wed 12/16

6:50 pm-8:19 pm

1 stop16h 29m

$1,196

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sat 11/21

4:31 pm-4:45 pm

1 stop33h 14m

Incheon Intl

Fri 1/1

6:50 pm-12:16 am

1 stop20h 26m

$1,917

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 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 typical price of a round-trip flight between St. Louis and Seoul?

Prices are currently typical for flights on this route.

Typical prices usually range from $865 to $1,414.
The lowest price recently found on this route was $1,060.

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 $911.

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

$455

Fastest flight time

19h 05m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $455. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,060.
The fastest flight from St. Louis to Seoul takes 19h 05m
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 05m 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
American AirlinesPriceFrom $846Free CancellationRating
7.0
12,097 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.8
8,604 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,246 reviews
Search United Airlines flights
Korean AirPriceFrom $999Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
Air CanadaPriceFrom $1,083Free CancellationRating
7.1
11,702 reviews
Search Air Canada 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.

I’m not ready to book a flight from St. Louis to Seoul right now. Can momondo alert me if prices change?

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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