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Cheap flights from St. Louis to Seoul from $533

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
7:02 am - 10:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
25h 23m2 stops Seattle/Tacoma Intl Hong Kong Intl
Multiple Airlines Logo
1:55 am - 11:46 pmICN  Incheon Intl-STL Lambert-St Louis
35h 51m2 stops Hong Kong Intl Los Angeles Los Angeles
$1,081Multiple Airlines
Mon, Oct 19 - Sun, Oct 25
Multiple Airlines Logo
6:04 am - 12:40 amSTL  Lambert-St Louis-ICN Incheon Intl
28h 36m2 stops Los Angeles 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
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
6:00 pm - 6:17 pmICN  Incheon Intl-STL Lambert-St Louis
38h 17m1 stop Montreal Pierre Elliott Trudeau Intl
$1,135Air Canada
Fri, Feb 26 - Tue, Jun 22
Air Canada Logo
4:05 pm - 5:25 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
$1,169Air Canada
Mon, Oct 26 - Wed, Nov 25
Delta Logo
6:00 am - 2:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 pm - 12:44 amICN  Incheon Intl-STL Lambert-St Louis
19h 24m1 stop Salt Lake City
$1,196Delta
Tue, Oct 6 - Sun, Oct 18
Delta Logo
2:31 pm - 5:45 amSTL  Lambert-St Louis-ICN Incheon Intl
24h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:35 am - 8:32 pmICN  Incheon Intl-STL Lambert-St Louis
25h 57m1 stop Detroit Metropolitan Wayne County
$1,196Delta
Tue, Nov 24 - Fri, Dec 4
United Airlines Logo
5:36 pm - 3:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
31h 44m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:45 pm - 8:59 pmICN  Incheon Intl-STL Lambert-St Louis
23h 14m2 stops San Francisco Denver Intl
$1,200United Airlines
Mon, Oct 5 - Wed, Nov 4
United Airlines Logo
8:50 am - 5:40 amSTL  Lambert-St Louis-ICN Incheon Intl
29h 50m2 stops Denver Intl San Francisco
United Airlines Logo
6:30 pm - 9:52 pmICN  Incheon Intl-STL Lambert-St Louis
18h 22m1 stop Newark
$1,200United Airlines
Mon, Nov 2 - Mon, Nov 9
Korean Air Logo
7:00 am - 5:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
20h 50m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
8:35 pm - 11:21 pmICN  Incheon Intl-STL Lambert-St Louis
16h 46m1 stop Minneapolis St Paul
$1,470Korean Air
Sun, Oct 18 - Sun, Oct 25
Korean Air Logo
6:00 am - 2:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 10m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
5:40 pm - 9:59 pmICN  Incheon Intl-STL Lambert-St Louis
18h 19m1 stop Atlanta Hartsfield-Jackson
$1,509Korean Air
Sat, Oct 17 - Sat, Oct 31

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Air Canada flights from St. Louis to Seoul

Our best Air Canada deals on St. Louis to Seoul flight tickets
Air Canada
Oct 26
STL4:05 pmLambert-St Louis
35h 20m
1 stop
ICN5:25 pmIncheon Intl
Nov 25
ICN6:55 pmIncheon Intl
35h 31m
2 stops
STL3:26 pmLambert-St Louis
$1,169
Air Canada
Oct 26
STL4:05 pmLambert-St Louis
35h 20m
1 stop
ICN5:25 pmIncheon Intl
Nov 25
ICN6:55 pmIncheon Intl
35h 31m
2 stops
STL3:26 pmLambert-St Louis
$1,170
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
34h 05m
2 stops
ICN5:10 pmIncheon Intl
Feb 5
ICN6:55 pmIncheon Intl
35h 31m
2 stops
STL3:26 pmLambert-St Louis
$1,178

Cathay Pacific flights from St. Louis to Seoul

Our best Cathay Pacific deals on St. Louis to Seoul flight tickets
Cathay Pacific
Nov 24
STL6:55 pmLambert-St Louis
35h 30m
2 stops
ICN9:25 pmIncheon Intl
Dec 3
ICN1:55 amIncheon Intl
32h 27m
2 stops
STL7:22 pmLambert-St Louis
$1,173
Cathay Pacific
Sep 27
STL6:43 pmLambert-St Louis
27h 57m
2 stops
ICN12:40 pmIncheon Intl
Oct 3
ICN1:55 amIncheon Intl
32h 49m
2 stops
STL8:44 pmLambert-St Louis
$1,195
Cathay Pacific
Oct 17
STL3:20 pmLambert-St Louis
37h 45m
2 stops
ICN7:05 pmIncheon Intl
Oct 30
ICN1:55 amIncheon Intl
36h 24m
2 stops
STL12:19 amLambert-St Louis
$1,223

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/19

7:02 am-10:25 pm

2 stops25h 23m

Incheon Intl

Sun 10/25

1:55 am-11:46 pm

2 stops35h 51m

$1,081

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

Fri 2/26

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Tue 6/22

6:00 pm-6:17 pm

1 stop38h 17m

$1,135

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

4:05 pm-5:25 pm

1 stop35h 20m

Incheon Intl

Wed 11/25

6:55 pm-3:26 pm

2 stops35h 31m

$1,169

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/6

6:00 am-2:10 pm

1 stop18h 10m

Incheon Intl

Sun 10/18

7:20 pm-12:44 am

1 stop19h 24m

$1,196

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 11/24

2:31 pm-5:45 am

1 stop24h 14m

Incheon Intl

Fri 12/4

9:35 am-8:32 pm

1 stop25h 57m

$1,196

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/5

5:36 pm-3:20 pm

2 stops31h 44m

Incheon Intl

Wed 11/4

12:45 pm-8:59 pm

2 stops23h 14m

$1,200

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 11/2

8:50 am-5:40 am

2 stops29h 50m

Incheon Intl

Mon 11/9

6:30 pm-9:52 pm

1 stop18h 22m

$1,200

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 10/18

7:00 am-5:50 pm

1 stop20h 50m

Incheon Intl

Sun 10/25

8:35 pm-11:21 pm

1 stop16h 46m

$1,470
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sat 10/17

6:00 am-2:10 pm

1 stop18h 10m

Incheon Intl

Sat 10/31

5:40 pm-9:59 pm

1 stop18h 19m

$1,509

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 $890 to $1,360.
The lowest price recently found on this route was $1,081.

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 $908.

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

$533

Fastest flight time

19h 05m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $533. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,081.
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
12,076 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.8
8,597 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,222 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
11,663 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?

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.

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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