Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Seoul from $487

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.
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
38h 15m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 pm - 6:41 pmICN  Incheon Intl-STL Lambert-St Louis
38h 41m1 stop Montreal Pierre Elliott Trudeau Intl
$1,014Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
12:10 pm - 4:05 pmSTL  Lambert-St Louis-ICN Incheon Intl
37h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
5:45 pm - 2:00 pmICN  Incheon Intl-STL Lambert-St Louis
34h 15m2 stops Vancouver Intl Toronto Pearson Intl
$1,018Air Canada
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
7:00 am - 3:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 45m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 9:57 pmICN  Incheon Intl-STL Lambert-St Louis
18h 07m1 stop Dallas/Fort Worth
$1,079American Airlines
Mon, Sep 14 - Thu, Sep 17
American Airlines Logo
5:43 am - 3:45 pmSTL  Lambert-St Louis-ICN Incheon Intl
20h 02m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 11:43 pmICN  Incheon Intl-STL Lambert-St Louis
19h 53m1 stop Dallas/Fort Worth
$1,079American Airlines
Mon, Sep 21 - Mon, Sep 28
Delta Logo
8:46 am - 5:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 34m1 stop Minneapolis St Paul
Delta Logo
7:40 pm - 11:16 pmICN  Incheon Intl-STL Lambert-St Louis
17h 36m1 stop Minneapolis St Paul
$1,108Delta
Wed, Sep 16 - Fri, Sep 25
Delta Logo
2:30 pm - 4:00 amSTL  Lambert-St Louis-ICN Incheon Intl
23h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:15 am - 1:06 pmICN  Incheon Intl-STL Lambert-St Louis
16h 51m1 stop Detroit Metropolitan Wayne County
$1,152Delta
Mon, Sep 28 - Mon, Oct 5
United Airlines Logo
7:08 am - 3:00 pmSTL  Lambert-St Louis-ICN Incheon Intl
17h 52m1 stop San Francisco
United Airlines Logo
12:45 pm - 6:38 pmICN  Incheon Intl-STL Lambert-St Louis
20h 53m2 stops San Francisco Houston George Bush Intcntl
$1,200United Airlines
Mon, Oct 5 - Wed, Nov 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
6:00 pm - 10:15 pmICN  Incheon Intl-STL Lambert-St Louis
18h 15m1 stop San Francisco
$1,300United Airlines
Fri, Oct 16 - Sun, Oct 25
Korean Air Logo
7:15 pm - 3:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
29h 15m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
8:35 pm - 9:47 pmICN  Incheon Intl-STL Lambert-St Louis
16h 12m1 stop Minneapolis St Paul
$3,133Korean Air
Mon, Dec 21 - Sat, Jan 2
Korean Air Logo
6:03 am - 3:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 47m1 stop Minneapolis St Paul
Korean Air Logo
8:35 pm - 9:51 pmICN  Incheon Intl-STL Lambert-St Louis
16h 16m1 stop Minneapolis St Paul
$3,246Korean Air
Thu, Dec 17 - Thu, Dec 31

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

Air Canada flights from St. Louis to Seoul

Our best Air Canada deals on St. Louis to Seoul flight tickets
Air Canada
Sep 9
STL12:10 pmLambert-St Louis
38h 15m
1 stop
ICN4:25 pmIncheon Intl
Sep 30
ICN6:00 pmIncheon Intl
38h 41m
1 stop
STL6:41 pmLambert-St Louis
$1,014
Air Canada
Sep 22
STL12:10 pmLambert-St Louis
37h 55m
2 stops
ICN4:05 pmIncheon Intl
Sep 29
ICN5:45 pmIncheon Intl
34h 15m
2 stops
STL2:00 pmLambert-St Louis
$1,018
Air Canada
Sep 22
STL12:10 pmLambert-St Louis
37h 55m
2 stops
ICN4:05 pmIncheon Intl
Sep 29
ICN5:45 pmIncheon Intl
34h 15m
2 stops
STL2:00 pmLambert-St Louis
$1,019

American Airlines flights from St. Louis to Seoul

Our best American Airlines deals on St. Louis to Seoul flight tickets
American Airlines
Sep 14
STL7:00 amLambert-St Louis
18h 45m
1 stop
ICN3:45 pmIncheon Intl
Sep 17
ICN5:50 pmIncheon Intl
18h 07m
1 stop
STL9:57 pmLambert-St Louis
$1,079
American Airlines
Sep 14
STL5:00 amLambert-St Louis
20h 45m
2 stops
ICN3:45 pmIncheon Intl
Sep 17
ICN5:50 pmIncheon Intl
19h 53m
1 stop
STL11:43 pmLambert-St Louis
$1,083
American Airlines
Sep 6
STL3:35 pmLambert-St Louis
34h 10m
1 stop
ICN3:45 pmIncheon Intl
Sep 9
ICN5:50 pmIncheon Intl
19h 53m
1 stop
STL11:43 pmLambert-St Louis
$1,085

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

Wed 9/23

12:10 pm-4:25 pm

1 stop38h 15m

Incheon Intl

Wed 9/30

6:00 pm-6:41 pm

1 stop38h 41m

$1,014

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 9/22

12:10 pm-4:05 pm

2 stops37h 55m

Incheon Intl

Tue 9/29

5:45 pm-2:00 pm

2 stops34h 15m

$1,018

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 9/14

7:00 am-3:45 pm

1 stop18h 45m

Incheon Intl

Thu 9/17

5:50 pm-9:57 pm

1 stop18h 07m

$1,079

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 9/21

5:43 am-3:45 pm

1 stop20h 02m

Incheon Intl

Mon 9/28

5:50 pm-11:43 pm

1 stop19h 53m

$1,079

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 9/16

8:46 am-5:20 pm

1 stop18h 34m

Incheon Intl

Fri 9/25

7:40 pm-11:16 pm

1 stop17h 36m

$1,108

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 9/28

2:30 pm-4:00 am

1 stop23h 30m

Incheon Intl

Mon 10/5

10:15 am-1:06 pm

1 stop16h 51m

$1,152

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/5

7:08 am-3:00 pm

1 stop17h 52m

Incheon Intl

Wed 11/4

12:45 pm-6:38 pm

2 stops20h 53m

$1,200

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 10/16

5:36 pm-3:20 pm

2 stops31h 44m

Incheon Intl

Sun 10/25

6:00 pm-10:15 pm

1 stop18h 15m

$1,300

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 12/21

7:15 pm-3:30 pm

1 stop29h 15m

Incheon Intl

Sat 1/2

8:35 pm-9:47 pm

1 stop16h 12m

$3,133
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 12/17

6:03 am-3:50 pm

1 stop18h 47m

Incheon Intl

Thu 12/31

8:35 pm-9:51 pm

1 stop16h 16m

$3,246

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 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 $916 to $1,306.
The lowest price recently found on this route was $1,014.

What is the cheapest month to fly to Seoul?

The month of December is another great option to travel to Seoul, with average flight prices from St. Louis averaging around $897.

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

$487

Fastest flight time

18h 34m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $487. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,014.
The fastest flight from St. Louis to Seoul takes 18h 34m
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 34m 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 $846Free CancellationRating
7.8
8,534 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,150 reviews
Search United Airlines flights
Korean AirPriceFrom $999Free CancellationRating
8.4
1,219 reviews
Search Korean Air flights
Air CanadaPriceFrom $1,083Free CancellationRating
7.1
11,564 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.

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
Wed 9/30
Wed 10/7
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