Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Seoul from $549

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
7:58 pm - 9:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 22m2 stops Denver Intl San Francisco
Multiple Airlines Logo
7:45 pm - 10:57 amICN  Incheon Intl-STL Lambert-St Louis
30h 12m2 stops San Francisco Denver Intl
$902Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
Multiple Airlines Logo
7:58 pm - 9:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
34h 22m2 stops Denver Intl San Francisco
Multiple Airlines Logo
7:45 pm - 11:17 amICN  Incheon Intl-STL Lambert-St Louis
30h 32m2 stops San Francisco Atlanta Hartsfield-Jackson
$965Multiple Airlines
Fri, Dec 4 - Sun, Dec 13
Delta Logo
6:59 pm - 3:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
29h 31m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:25 pm - 11:26 pmICN  Incheon Intl-STL Lambert-St Louis
19h 01m1 stop Atlanta Hartsfield-Jackson
$1,096Delta
Sun, Jan 24 - Thu, Feb 4
Delta Logo
6:03 am - 3:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 47m1 stop Minneapolis St Paul
Delta Logo
8:35 pm - 11:28 pmICN  Incheon Intl-STL Lambert-St Louis
17h 53m1 stop Minneapolis St Paul
$1,096Delta
Mon, Dec 7 - 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
6:30 pm - 10:59 pmICN  Incheon Intl-STL Lambert-St Louis
19h 29m1 stop Newark
$1,096United Airlines
Tue, Dec 8 - 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
Tue, Dec 8 - 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
Wed, Dec 9 - Wed, Dec 23
American Airlines Logo
7:12 am - 3:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 33m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 11:04 pmICN  Incheon Intl-STL Lambert-St Louis
19h 14m1 stop Dallas/Fort Worth
$1,096American Airlines
Wed, Apr 7 - Tue, Apr 20
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
$1,278Air Canada
Tue, Jan 26 - Mon, Feb 1
Air Canada Logo
4:10 pm - 4:05 pmSTL  Lambert-St Louis-ICN Incheon Intl
33h 55m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
5:45 pm - 1:09 pmICN  Incheon Intl-STL Lambert-St Louis
33h 24m2 stops Vancouver Intl Toronto Pearson Intl
$1,278Air Canada
Sun, Apr 4 - Wed, May 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from St. Louis to Seoul

Our best American Airlines deals on St. Louis to Seoul flight tickets
American Airlines
Dec 9
STL5:50 amLambert-St Louis
19h 55m
1 stop
ICN4:45 pmIncheon Intl
Dec 23
ICN6:50 pmIncheon Intl
20h 26m
1 stop
STL12:16 amLambert-St Louis
$1,097
American Airlines
Nov 9
STL5:00 amLambert-St Louis
20h 45m
1 stop
ICN4:45 pmIncheon Intl
Nov 12
ICN6:50 pmIncheon Intl
18h 49m
1 stop
STL10:39 pmLambert-St Louis
$1,098
American Airlines
Nov 9
STL5:00 amLambert-St Louis
20h 45m
1 stop
ICN4:45 pmIncheon Intl
Nov 12
ICN6:50 pmIncheon Intl
20h 09m
2 stops
STL11:59 pmLambert-St Louis
$1,103

United Airlines flights from St. Louis to Seoul

Our best United Airlines deals on St. Louis to Seoul flight tickets
United Airlines
Dec 7
STL6:00 amLambert-St Louis
19h 25m
1 stop
ICN4:25 pmIncheon Intl
Dec 21
ICN6:00 pmIncheon Intl
26h 06m
1 stop
STL5:06 amLambert-St Louis
$1,096
United Airlines
Dec 7
STL6:00 amLambert-St Louis
19h 25m
1 stop
ICN4:25 pmIncheon Intl
Dec 21
ICN12:45 pmIncheon Intl
23h 23m
2 stops
STL9:08 pmLambert-St Louis
$1,101
United Airlines
Dec 10
STL6:00 amLambert-St Louis
19h 25m
1 stop
ICN4:25 pmIncheon Intl
Dec 23
ICN6:00 pmIncheon Intl
26h 06m
1 stop
STL5:06 amLambert-St Louis
$1,347

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

Fri 12/4

7:58 pm-9:20 pm

2 stops34h 22m

Incheon Intl

Fri 12/11

7:45 pm-10:57 am

2 stops30h 12m

$902

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 12/4

7:58 pm-9:20 pm

2 stops34h 22m

Incheon Intl

Sun 12/13

7:45 pm-11:17 am

2 stops30h 32m

$965

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 1/24

6:59 pm-3:30 pm

1 stop29h 31m

Incheon Intl

Thu 2/4

7:25 pm-11:26 pm

1 stop19h 01m

$1,096
Quickest round-trip

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

Mon 12/21

8:35 pm-11:28 pm

1 stop17h 53m

$1,096

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

$1,096

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

6:00 pm-5:06 am

1 stop26h 06m

$1,096

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

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 4/7

7:12 am-3:45 pm

1 stop18h 33m

Incheon Intl

Tue 4/20

5:50 pm-11:04 pm

1 stop19h 14m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 1/26

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Mon 2/1

8:10 pm-3:26 pm

1 stop34h 16m

$1,278

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 4/4

4:10 pm-4:05 pm

2 stops33h 55m

Incheon Intl

Wed 5/5

5:45 pm-1:09 pm

2 stops33h 24m

$1,278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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

$549

Fastest flight time

19h 35m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $549. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $902.
The fastest flight from St. Louis to Seoul takes 19h 35m
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 35m 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 $852Free CancellationRating
7.8
8,698 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.3
10,469 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
11,874 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,113Free CancellationRating
7.0
12,230 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.

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

Price alerts on flights to Seoul from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/8
Tue 12/15
By creating a price alert you accept our terms of use and privacy policy.

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