Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Seoul from $542

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
7:59 pm - 9:20 pmSTL  Lambert-St Louis-ICN Incheon Intl
35h 21m2 stops Denver Intl San Francisco
Multiple Airlines Logo
7:45 pm - 11:19 amICN  Incheon Intl-STL Lambert-St Louis
30h 34m2 stops San Francisco Dallas/Fort Worth
$1,060Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
Multiple Airlines Logo
7:00 am - 12:40 amSTL  Lambert-St Louis-ICN Incheon Intl
27h 40m2 stops Seattle/Tacoma Intl Hong Kong Intl
Multiple Airlines Logo
8:00 am - 11:44 pmICN  Incheon Intl-STL Lambert-St Louis
29h 44m2 stops Hong Kong Intl Seattle/Tacoma Intl
$1,091Multiple Airlines
Wed, Mar 24 - Thu, Apr 1
Delta Logo
7:20 pm - 4:45 amSTL  Lambert-St Louis-ICN Incheon Intl
19h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:35 am - 3:37 pmICN  Incheon Intl-STL Lambert-St Louis
21h 02m1 stop Detroit Metropolitan Wayne County
$1,096Delta
Tue, Oct 27 - Tue, Nov 3
Delta Logo
6:47 am - 4:50 pmSTL  Lambert-St Louis-ICN Incheon Intl
20h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:35 am - 8:29 pmICN  Incheon Intl-STL Lambert-St Louis
25h 54m1 stop Detroit Metropolitan Wayne County
$1,096Delta
Mon, Oct 26 - Wed, Nov 25
United Airlines Logo
5:00 am - 4:15 pmSTL  Lambert-St Louis-ICN Incheon Intl
21h 15m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:30 pm - 9:52 pmICN  Incheon Intl-STL Lambert-St Louis
18h 22m1 stop Newark
$1,096United Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
10:53 am - 5:40 amSTL  Lambert-St Louis-ICN Incheon Intl
27h 47m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
12:45 pm - 9:52 pmICN  Incheon Intl-STL Lambert-St Louis
24h 07m2 stops San Francisco Newark
$1,100United Airlines
Thu, Nov 12 - Thu, Nov 19
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
6:55 pm - 3:26 pmICN  Incheon Intl-STL Lambert-St Louis
35h 31m2 stops Vancouver Intl Toronto Pearson Intl
$1,177Air Canada
Fri, Jan 22 - Fri, Feb 5
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
$1,177Air Canada
Fri, Jan 22 - Fri, Feb 5
Korean Air Logo
7:20 pm - 2:10 pmSTL  Lambert-St Louis-ICN Incheon Intl
28h 50m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
6:50 pm - 11:54 pmICN  Incheon Intl-STL Lambert-St Louis
19h 04m1 stop Atlanta Hartsfield-Jackson
$1,480Korean Air
Sun, Oct 18 - Thu, Oct 22
Korean Air Logo
7:15 pm - 3:30 pmSTL  Lambert-St Louis-ICN Incheon Intl
29h 15m1 stop Atlanta Hartsfield-Jackson
Korean Air Logo
9:35 am - 11:13 amICN  Incheon Intl-STL Lambert-St Louis
16h 38m1 stop Detroit Metropolitan Wayne County
$2,794Korean Air
Sun, Dec 20 - Fri, Jan 1

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 Incheon Intl Airport

Our best Air Canada deals on St. Louis to Incheon Intl Airport flight tickets
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
34h 05m
2 stops
ICN5:10 pmIncheon Intl
Feb 5
ICN8:10 pmIncheon Intl
34h 16m
1 stop
STL3:26 pmLambert-St Louis
$1,177
Air Canada
Oct 24
STL12:10 pmLambert-St Louis
38h 00m
2 stops
ICN4:10 pmIncheon Intl
Oct 27
ICN5:55 pmIncheon Intl
35h 28m
2 stops
STL3:23 pmLambert-St Louis
$1,202
Air Canada
Dec 1
STL4:05 pmLambert-St Louis
34h 05m
2 stops
ICN5:10 pmIncheon Intl
Dec 7
ICN6:55 pmIncheon Intl
35h 31m
2 stops
STL3:26 pmLambert-St Louis
$1,207

Delta flights from St. Louis to Incheon Intl Airport

Our best Delta deals on St. Louis to Incheon Intl Airport flight tickets
Delta
Oct 26
STL6:47 amLambert-St Louis
20h 03m
1 stop
ICN4:50 pmIncheon Intl
Nov 25
ICN9:35 amIncheon Intl
25h 54m
1 stop
STL8:29 pmLambert-St Louis
$1,096
Delta
Oct 26
STL6:00 amLambert-St Louis
20h 50m
2 stops
ICN4:50 pmIncheon Intl
Nov 25
ICN7:25 pmIncheon Intl
19h 31m
1 stop
STL11:56 pmLambert-St Louis
$1,100
Delta
Oct 26
STL6:00 amLambert-St Louis
20h 50m
2 stops
ICN4:50 pmIncheon Intl
Nov 25
ICN7:25 pmIncheon Intl
19h 31m
1 stop
STL11:56 pmLambert-St Louis
$1,101

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Incheon Intl Airport 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 10/31

7:59 pm-9:20 pm

2 stops35h 21m

Incheon Intl

Sat 11/7

7:45 pm-11:19 am

2 stops30h 34m

$1,060

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Wed 3/24

7:00 am-12:40 am

2 stops27h 40m

Incheon Intl

Thu 4/1

8:00 am-11:44 pm

2 stops29h 44m

$1,091

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/27

7:20 pm-4:45 am

1 stop19h 25m

Incheon Intl

Tue 11/3

9:35 am-3:37 pm

1 stop21h 02m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Mon 10/26

6:47 am-4:50 pm

1 stop20h 03m

Incheon Intl

Wed 11/25

9:35 am-8:29 pm

1 stop25h 54m

$1,096
Quickest round-trip

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Tue 10/27

5:00 am-4:15 pm

2 stops21h 15m

Incheon Intl

Tue 11/3

6:30 pm-9:52 pm

1 stop18h 22m

$1,096

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Thu 11/12

10:53 am-5:40 am

2 stops27h 47m

Incheon Intl

Thu 11/19

12:45 pm-9:52 pm

2 stops24h 07m

$1,100

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

6:55 pm-3:26 pm

2 stops35h 31m

$1,177

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Fri 1/22

4:05 pm-5:10 pm

2 stops34h 05m

Incheon Intl

Fri 2/5

8:10 pm-3:26 pm

1 stop34h 16m

$1,177

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 10/18

7:20 pm-2:10 pm

1 stop28h 50m

Incheon Intl

Thu 10/22

6:50 pm-11:54 pm

1 stop19h 04m

$1,480

St. LouisIncheon

STL Lambert-St Louis - ICN Incheon Intl

STLICN

Lambert-St Louis

Sun 12/20

7:15 pm-3:30 pm

1 stop29h 15m

Incheon Intl

Fri 1/1

9:35 am-11:13 am

1 stop16h 38m

$2,794

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 Incheon Intl Airport

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 Incheon Intl Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from $852 to $1,349.
The lowest price recently found on this route was $1,060.

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from St. Louis is in February. Flight prices, which tend to average around $865, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $986.

When to book flights from St. Louis to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Incheon Intl Airport (STL to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Incheon Intl Airport

Best Price Found

$542

Fastest flight time

19h 25m

Direct flights

None
The best one-way flight to Incheon Intl Airport from St. Louis in the past 72 hours is $542. The best round-trip flight deal from St. Louis to Incheon Intl Airport found on momondo in the last 72 hours is $1,060.
The fastest flight from St. Louis to Incheon Intl Airport takes 19h 25m
There are no direct flights from St. Louis to Incheon Intl Airport. There are no popular flight routes from St. Louis to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Incheon Intl Airport

  • How far is Lambert-St Louis to Incheon Intl by plane?

    The straight-line distance from Lambert-St Louis to Incheon Intl is 6682.0 mi. By plane, this route typically takes 19h 25m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Incheon Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Incheon Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents required for your trip to Incheon Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Incheon Intl Airport?

Best airlines flying from St. Louis to Incheon Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $846Free CancellationRating
7.0
12,111 reviews
Search American Airlines flights
DeltaPriceFrom $846Free CancellationRating
7.8
8,620 reviews
Search Delta flights
United AirlinesPriceFrom $865Free CancellationRating
7.4
10,273 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
11,711 reviews
Search Air Canada flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Seoul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Seoul flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Seoul?

Once you have performed a search for St. Louis to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

An easier way to manage your Incheon Intl Airport 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
Sat 10/31
Sat 11/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Seoul

Popular cities in South Korea

Flights to Seoul Gimpo Intl Airportfrom $731