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Cheap flights from St. Louis to Seoul from $607

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
7:01 pm - 1:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
27h 49m2 stops Dallas/Fort Worth Hong Kong Intl
Multiple Airlines Logo
10:00 am - 11:34 pmICN  Incheon Intl-STL Lambert-St Louis
28h 34m2 stops Hong Kong Intl Dallas/Fort Worth
$1,091Multiple Airlines
Thu, Feb 18 - Mon, Mar 8
Multiple Airlines Logo
7:02 am - 12:40 amSTL  Lambert-St Louis-ICN Incheon Intl
27h 38m2 stops Seattle/Tacoma Intl Hong Kong Intl
Multiple Airlines Logo
10:00 am - 4:34 pmICN  Incheon Intl-STL Lambert-St Louis
45h 34m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,091Multiple Airlines
Mon, Oct 26 - Wed, Nov 25
Delta Logo
7:18 pm - 3:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
29h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:35 pm - 11:28 pmICN  Incheon Intl-STL Lambert-St Louis
17h 53m1 stop Minneapolis St Paul
$1,096Delta
Sun, Dec 6 - Tue, Dec 22
Delta Logo
7:08 am - 4:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 12m1 stop Salt Lake City
Delta Logo
5:40 pm - 9:42 pmICN  Incheon Intl-STL Lambert-St Louis
19h 02m1 stop Atlanta Hartsfield-Jackson
$1,096Delta
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Newark
United Airlines Logo
6:00 pm - 5:06 amICN  Incheon Intl-STL Lambert-St Louis
26h 06m1 stop San Francisco
$1,096United Airlines
Wed, Dec 9 - Mon, Dec 21
United Airlines Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Newark
United Airlines Logo
6:00 pm - 5:06 amICN  Incheon Intl-STL Lambert-St Louis
26h 06m1 stop San Francisco
$1,096United Airlines
Mon, Dec 7 - 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
$1,096American Airlines
Tue, Dec 8 - Wed, Dec 23
American Airlines Logo
5:00 am - 4:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
20h 45m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 8:29 amICN  Incheon Intl-STL Lambert-St Louis
28h 39m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$1,101American Airlines
Tue, Dec 8 - Wed, Dec 23
Air Canada Logo
4:05 pm - 5:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 05m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
8:10 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
34h 16m1 stop Toronto Pearson Intl
$1,177Air Canada
Fri, Jan 22 - Fri, Feb 5
Air Canada Logo
4:05 pm - 5:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 05m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
6:55 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
35h 31m2 stops Vancouver Intl Toronto Pearson Intl
$1,177Air Canada
Fri, Jan 22 - Fri, Feb 5

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United Airlines flights from St. Louis to Seoul

Our best United Airlines deals on St. Louis to Seoul flight tickets
United Airlines
Oct 5
STL7:08 amLambert-St Louis
17h 52m
1 stop
ICN3:00 pmIncheon Intl
Nov 4
ICN12:45 pmIncheon Intl
20h 53m
2 stops
STL6:38 pmLambert-St Louis
$1,100
United Airlines
Oct 5
STL5:10 amLambert-St Louis
19h 50m
2 stops
ICN3:00 pmIncheon Intl
Nov 4
ICN12:45 pmIncheon Intl
23h 55m
2 stops
STL9:40 pmLambert-St Louis
$1,101
United Airlines
Dec 10
STL8:17 amLambert-St Louis
30h 23m
1 stop
ICN5:40 amIncheon Intl
Dec 24
ICN12:45 pmIncheon Intl
18h 41m
1 stop
STL4:26 pmLambert-St Louis
$1,104

Asiana Airlines flights from St. Louis to Seoul

Our best Asiana Airlines deals on St. Louis to Seoul flight tickets
Asiana Airlines
Oct 19
STL9:30 amLambert-St Louis
39h 50m
1 stop
ICN3:20 pmIncheon Intl
Nov 4
ICN6:30 pmIncheon Intl
18h 22m
1 stop
STL9:52 pmLambert-St Louis
$1,153
Asiana Airlines
Oct 19
STL4:50 pmLambert-St Louis
32h 30m
1 stop
ICN3:20 pmIncheon Intl
Nov 4
ICN12:45 pmIncheon Intl
20h 24m
2 stops
STL6:09 pmLambert-St Louis
$1,157
Asiana Airlines
Oct 19
STL1:36 pmLambert-St Louis
24h 44m
2 stops
ICN4:20 amIncheon Intl
Nov 4
ICN12:45 pmIncheon Intl
19h 12m
2 stops
STL4:57 pmLambert-St Louis
$1,276

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Seoul that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 2/18

7:01 pm-1:50 pm

2 stops27h 49m

Incheon Intl

Mon 3/8

10:00 am-11:34 pm

2 stops28h 34m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

7:02 am-12:40 am

2 stops27h 38m

Incheon Intl

Wed 11/25

10:00 am-4:34 pm

2 stops45h 34m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 12/6

7:18 pm-3:30 pm

1 stop29h 12m

Incheon Intl

Tue 12/22

8:35 pm-11:28 pm

1 stop17h 53m

$1,096
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 11/18

7:08 am-4:20 pm

1 stop18h 12m

Incheon Intl

Wed 11/25

5:40 pm-9:42 pm

1 stop19h 02m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/9

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Mon 12/21

6:00 pm-5:06 am

1 stop26h 06m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 12/7

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Mon 12/21

6:00 pm-5:06 am

1 stop26h 06m

$1,096

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

Wed 12/23

6:50 pm-12:16 am

1 stop20h 26m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 12/8

5:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

Wed 12/23

6:50 pm-8:29 am

2 stops28h 39m

$1,101

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

8:10 pm-3:26 pm

1 stop34h 16m

$1,177

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

6:55 pm-3:26 pm

2 stops35h 31m

$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 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 $1,350.
The lowest price recently found on this route was $1,091.

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

$607

Fastest flight time

18h 12m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $607. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,091.
The fastest flight from St. Louis to Seoul takes 18h 12m
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. 18h 12m 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
12,127 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.8
8,628 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,279 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
11,720 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