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Cheap flights from St. Louis to Seoul from $500

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
7:54 pm - 9:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 26m2 stops Denver Intl San Francisco
Multiple Airlines Logo
7:45 pm - 1:32 pmICN  Incheon Intl-STL Lambert-St Louis
32h 47m2 stops San Francisco Las Vegas Harry Reid Intl
$1,059Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
Multiple Airlines Logo
12:27 pm - 12:40 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 13m2 stops Chicago O'Hare Intl Hong Kong Intl
Multiple Airlines Logo
8:00 am - 11:04 pmICN  Incheon Intl-STL Lambert-St Louis
29h 04m2 stops Hong Kong Intl Dallas/Fort Worth
$1,092Multiple Airlines
Thu, Apr 8 - Tue, Apr 20
American Airlines Logo
7:10 am - 4:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 35m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 10:20 pmICN  Incheon Intl-STL Lambert-St Louis
18h 30m1 stop Dallas/Fort Worth
$1,095American Airlines
Wed, Dec 2 - Wed, Dec 9
Delta Logo
7:05 pm - 4:00 amSTL  Lambert-St Louis-ICN Incheon Intl
18h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:25 pm - 11:39 pmICN  Incheon Intl-STL Lambert-St Louis
21h 14m1 stop Atlanta Hartsfield-Jackson
$1,096Delta
Thu, Apr 8 - Tue, Apr 20
Delta Logo
7:05 pm - 2:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
29h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 pm - 12:36 amICN  Incheon Intl-STL Lambert-St Louis
19h 16m1 stop Salt Lake City
$1,096Delta
Wed, Apr 7 - Tue, Apr 20
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 - 8:27 pmICN  Incheon Intl-STL Lambert-St Louis
16h 37m1 stop Dallas/Fort Worth
$1,096American Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
7:05 pm - 5:40 amSTL  Lambert-St Louis-ICN Incheon Intl
19h 35m1 stop San Francisco
United Airlines Logo
6:30 pm - 10:15 pmICN  Incheon Intl-STL Lambert-St Louis
18h 45m1 stop Newark
$1,097United Airlines
Thu, Nov 26 - Mon, Dec 14
United Airlines Logo
3:00 pm - 5:40 amSTL  Lambert-St Louis-ICN Incheon Intl
23h 40m2 stops Denver Intl San Francisco
United Airlines Logo
6:00 pm - 9:55 pmICN  Incheon Intl-STL Lambert-St Louis
18h 55m1 stop San Francisco
$1,097United Airlines
Wed, Mar 3 - Wed, Mar 10
Air Canada Logo
4:05 pm - 5:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
58h 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
$1,285Air Canada
Tue, Mar 2 - Thu, Mar 11
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
$1,364Air Canada
Wed, Mar 3 - Thu, Mar 11

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Alaska Airlines flights from St. Louis to Seoul

Our best Alaska Airlines deals on St. Louis to Seoul flight tickets
Alaska Airlines
Mar 2
STL3:04 pmLambert-St Louis
35h 31m
1 stop
ICN5:35 pmIncheon Intl
Mar 11
ICN8:00 pmIncheon Intl
33h 06m
1 stop
STL2:06 pmLambert-St Louis
$1,112
Alaska Airlines
Mar 6
STL3:04 pmLambert-St Louis
35h 31m
1 stop
ICN5:35 pmIncheon Intl
Mar 11
ICN8:00 pmIncheon Intl
33h 06m
1 stop
STL2:06 pmLambert-St Louis
$1,280
Alaska Airlines
Mar 3
STL3:04 pmLambert-St Louis
35h 31m
1 stop
ICN5:35 pmIncheon Intl
Mar 11
ICN8:00 pmIncheon Intl
33h 06m
1 stop
STL2:06 pmLambert-St Louis
$1,329

Cathay Pacific flights from St. Louis to Seoul

Our best Cathay Pacific deals on St. Louis to Seoul flight tickets
Cathay Pacific
Mar 3
STL2:24 pmLambert-St Louis
37h 11m
2 stops
ICN6:35 pmIncheon Intl
Mar 10
ICN1:55 amIncheon Intl
33h 27m
2 stops
STL8:22 pmLambert-St Louis
$1,124
Cathay Pacific
Nov 26
STL6:00 amLambert-St Louis
27h 40m
2 stops
ICN12:40 amIncheon Intl
Dec 7
ICN7:35 pmIncheon Intl
36h 05m
2 stops
STL4:40 pmLambert-St Louis
$1,181
Cathay Pacific
Nov 27
STL7:13 amLambert-St Louis
50h 27m
2 stops
ICN12:40 amIncheon Intl
Dec 13
ICN1:50 pmIncheon Intl
49h 09m
2 stops
STL11:59 pmLambert-St Louis
$1,231

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 12/5

7:54 pm-9:20 pm

2 stops34h 26m

Incheon Intl

Sat 12/12

7:45 pm-1:32 pm

2 stops32h 47m

$1,059

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 4/8

12:27 pm-12:40 pm

2 stops34h 13m

Incheon Intl

Tue 4/20

8:00 am-11:04 pm

2 stops29h 04m

$1,092
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/2

7:10 am-4:45 pm

1 stop18h 35m

Incheon Intl

Wed 12/9

6:50 pm-10:20 pm

1 stop18h 30m

$1,095

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 4/8

7:05 pm-4:00 am

1 stop18h 55m

Incheon Intl

Tue 4/20

4:25 pm-11:39 pm

1 stop21h 14m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 4/7

7:05 pm-2:10 pm

1 stop29h 05m

Incheon Intl

Tue 4/20

7:20 pm-12:36 am

1 stop19h 16m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 12/9

5:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

Wed 12/16

6:50 pm-8:27 pm

1 stop16h 37m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 11/26

7:05 pm-5:40 am

1 stop19h 35m

Incheon Intl

Mon 12/14

6:30 pm-10:15 pm

1 stop18h 45m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 3/3

3:00 pm-5:40 am

2 stops23h 40m

Incheon Intl

Wed 3/10

6:00 pm-9:55 pm

1 stop18h 55m

$1,097

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 3/2

4:05 pm-5:10 pm

2 stops58h 05m

Incheon Intl

Thu 3/11

6:55 pm-3:26 pm

2 stops35h 31m

$1,285

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 3/3

4:05 pm-6:25 pm

1 stop35h 20m

Incheon Intl

Thu 3/11

6:55 pm-3:26 pm

2 stops35h 31m

$1,364

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 $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

$500

Fastest flight time

18h 12m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $500. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,059.
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
12,191 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.8
8,668 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.3
10,411 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
11,794 reviews
Search Air Canada flights

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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