Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Seoul from $498

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
8:55 am - 5:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
18h 35m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:25 am - 8:20 pmICN  Incheon Intl-STL Lambert-St Louis
23h 55m2 stops Tokyo Narita Toronto Pearson Intl
$1,006Multiple Airlines
Mon, Aug 31 - Wed, Sep 16
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
$1,013Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
2:40 pm - 4:05 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 25m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
6:00 pm - 6:41 pmICN  Incheon Intl-STL Lambert-St Louis
38h 41m1 stop Montreal Pierre Elliott Trudeau Intl
$1,018Air Canada
Wed, Sep 23 - Wed, Sep 30
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
8:10 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
34h 16m1 stop Toronto Pearson Intl
$1,018Air Canada
Mon, Oct 5 - Wed, Nov 4
Multiple Airlines Logo
8:55 am - 10:25 pmSTL  Lambert-St Louis-GMP Seoul Gimpo Intl
23h 30m2 stops Toronto Pearson Intl Tokyo Haneda
Multiple Airlines Logo
7:50 pm - 8:20 pmGMP  Seoul Gimpo Intl-STL Lambert-St Louis
38h 30m2 stops Tokyo Haneda Toronto Pearson Intl
$1,053Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
ANA Logo
8:55 am - 12:40 pmSTL  Lambert-St Louis-ICN Incheon Intl
37h 45m2 stops Toronto Pearson Intl Osaka Kansai Intl
ANA Logo
6:55 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
35h 31m2 stops Vancouver Intl Toronto Pearson Intl
$1,089ANA
Tue, Oct 13 - Tue, Nov 17
Delta Logo
2:31 pm - 5:45 amSTL  Lambert-St Louis-ICN Incheon Intl
24h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 pm - 11:56 pmICN  Incheon Intl-STL Lambert-St Louis
21h 16m1 stop Atlanta Hartsfield-Jackson
$1,107Delta
Tue, Nov 17 - Tue, Nov 24
Delta Logo
7:18 pm - 5:45 amSTL  Lambert-St Louis-ICN Incheon Intl
19h 27m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:35 pm - 11:23 pmICN  Incheon Intl-STL Lambert-St Louis
17h 48m1 stop Minneapolis St Paul
$1,107Delta
Tue, Nov 17 - Wed, Dec 16
United Airlines Logo
4:40 pm - 4:20 amSTL  Lambert-St Louis-ICN Incheon Intl
21h 40m2 stops Denver Intl San Francisco
United Airlines Logo
5:15 pm - 11:38 pmICN  Incheon Intl-STL Lambert-St Louis
20h 23m1 stop Newark
$1,107United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
9:59 am - 4:25 pmSTL  Lambert-St Louis-ICN Incheon Intl
39h 26m1 stop Newark
United Airlines Logo
12:45 pm - 8:59 pmICN  Incheon Intl-STL Lambert-St Louis
23h 14m2 stops San Francisco Denver Intl
$1,118United Airlines
Sun, Nov 15 - Tue, Nov 24

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 23
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
$1,013
Air Canada
Oct 5
STL12:10 pmLambert-St Louis
38h 15m
1 stop
ICN4:25 pmIncheon Intl
Nov 4
ICN8:10 pmIncheon Intl
34h 16m
1 stop
STL3:26 pmLambert-St Louis
$1,018
Air Canada
Sep 9
STL12:10 pmLambert-St Louis
38h 15m
1 stop
ICN4:25 pmIncheon Intl
Sep 16
ICN6:00 pmIncheon Intl
34h 00m
2 stops
STL2:00 pmLambert-St Louis
$1,021

ANA flights from St. Louis to Seoul

Our best ANA deals on St. Louis to Seoul flight tickets
ANA
Oct 13
STL8:55 amLambert-St Louis
37h 45m
2 stops
ICN12:40 pmIncheon Intl
Nov 17
ICN6:55 pmIncheon Intl
35h 31m
2 stops
STL3:26 pmLambert-St Louis
$1,089
ANA
Sep 1
STL8:30 amLambert-St Louis
23h 50m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Sep 8
GMP12:40 pmSeoul Gimpo Intl
20h 36m
2 stops
STL7:16 pmLambert-St Louis
$10,738
ANA
Oct 15
STL8:00 amLambert-St Louis
24h 20m
2 stops
GMP10:20 pmSeoul Gimpo Intl
Oct 31
GMP7:50 pmSeoul Gimpo Intl
29h 42m
2 stops
STL11:32 amLambert-St Louis
$23,300

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

Mon 8/31

8:55 am-5:30 pm

1 stop18h 35m

Incheon Intl

Wed 9/16

10:25 am-8:20 pm

2 stops23h 55m

$1,006

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

$1,013

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 9/23

2:40 pm-4:05 pm

2 stops35h 25m

Incheon Intl

Wed 9/30

6:00 pm-6:41 pm

1 stop38h 41m

$1,018

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/5

12:10 pm-4:25 pm

1 stop38h 15m

Incheon Intl

Wed 11/4

8:10 pm-3:26 pm

1 stop34h 16m

$1,018

St. LouisSeoul

STL Lambert-St Louis - GMP Seoul Gimpo Intl

STLGMP

Lambert-St Louis

Thu 9/3

8:55 am-10:25 pm

2 stops23h 30m

Seoul Gimpo Intl

Wed 9/9

7:50 pm-8:20 pm

2 stops38h 30m

$1,053

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/13

8:55 am-12:40 pm

2 stops37h 45m

Incheon Intl

Tue 11/17

6:55 pm-3:26 pm

2 stops35h 31m

$1,089

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 11/17

2:31 pm-5:45 am

1 stop24h 14m

Incheon Intl

Tue 11/24

5:40 pm-11:56 pm

1 stop21h 16m

$1,107
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 11/17

7:18 pm-5:45 am

1 stop19h 27m

Incheon Intl

Wed 12/16

8:35 pm-11:23 pm

1 stop17h 48m

$1,107

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 9/1

4:40 pm-4:20 am

2 stops21h 40m

Incheon Intl

Tue 9/8

5:15 pm-11:38 pm

1 stop20h 23m

$1,107

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 11/15

9:59 am-4:25 pm

1 stop39h 26m

Incheon Intl

Tue 11/24

12:45 pm-8:59 pm

2 stops23h 14m

$1,118

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 $1,398.
The lowest price recently found on this route was $1,006.

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 $904.

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

$498

Fastest flight time

21h 45m

Direct flights

None
The best one-way flight to Seoul from St. Louis in the past 72 hours is $498. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,006.
The fastest flight from St. Louis to Seoul takes 21h 45m
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. 21h 45m 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
8,514 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights
Korean AirPriceFrom $999Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
Air CanadaPriceFrom $1,083Free CancellationRating
7.1
11,515 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
Sun 9/20
Sun 9/27
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