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Cheap flights from St. Louis to South Korea from $666

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to South Korea departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to South Korea.
 Logo
3:08 pm - 7:35 pmSTL-ICN
38h 27m2 stops
 Logo
8:35 pm - 2:08 pmICN-STL
31h 33m2 stops
$1,242
Find Deal
Tue, Apr 22 - Tue, May 6
 Logo
3:17 pm - 11:00 amSTL-ICN
29h 43m2 stops
 Logo
12:00 pm - 2:17 pmICN-STL
40h 17m2 stops
$1,258
Find Deal
Tue, Sep 2 - Tue, Sep 16
Air Canada Logo
3:30 pm - 4:05 pmSTL-ICN
34h 35m2 stops
Air Canada Logo
7:05 pm - 7:43 pmICN-STL
38h 38m1 stop
$1,277Air Canada
Find Deal
Tue, Apr 22 - Tue, May 6
Delta Logo
11:15 am - 5:20 pmSTL-ICN
16h 05m1 stop
Delta Logo
4:25 pm - 11:36 pmICN-STL
21h 11m1 stop
$1,409Delta
Find Deal
Tue, Apr 22 - Tue, May 6
Air Canada Logo
4:00 pm - 5:30 pmSTL-ICN
35h 30m1 stop
Air Canada Logo
7:05 pm - 3:16 pmICN-STL
34h 11m1 stop
$1,475Air Canada
Find Deal
Fri, Jul 4 - Fri, Jul 25
Delta Logo
7:04 pm - 5:20 pmSTL-ICN
32h 16m2 stops
Delta Logo
7:20 pm - 8:32 amICN-STL
27h 12m2 stops
$1,530Delta
Find Deal
Sun, Jul 6 - Wed, Jul 23
American Airlines Logo
5:36 am - 3:30 pmSTL-ICN
19h 54m1 stop
American Airlines Logo
5:25 pm - 10:27 pmICN-STL
19h 02m1 stop
$1,535American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 16
American Airlines Logo
7:29 am - 3:30 pmSTL-ICN
18h 01m1 stop
American Airlines Logo
5:25 pm - 11:49 pmICN-STL
20h 24m2 stops
$1,540American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 16
United Airlines Logo
7:00 am - 3:00 pmSTL-ICN
18h 00m1 stop
United Airlines Logo
11:30 am - 4:45 pmICN-STL
19h 15m1 stop
$1,630United Airlines
Find Deal
Wed, May 14 - Tue, Aug 5
United Airlines Logo
6:11 pm - 4:20 amSTL-ICN
20h 09m1 stop
United Airlines Logo
4:50 pm - 10:45 pmICN-STL
19h 55m1 stop
$1,635United Airlines
Find Deal
Fri, May 2 - Mon, May 12

Air Canada flights from St. Louis to South Korea

Our best Air Canada deals on St. Louis to South Korea flight tickets
Air Canada
Apr 22
STL3:30 pmLambert-St Louis
34h 35m
2 stops
ICN4:05 pmIncheon Intl
May 6
ICN7:05 pmIncheon Intl
38h 38m
1 stop
STL7:43 pmLambert-St Louis
Air Canada
Jul 4
STL4:00 pmLambert-St Louis
35h 30m
1 stop
ICN5:30 pmIncheon Intl
Jul 25
ICN7:05 pmIncheon Intl
34h 11m
1 stop
STL3:16 pmLambert-St Louis
Air Canada
Apr 24
STL3:30 pmLambert-St Louis
34h 35m
2 stops
ICN4:05 pmIncheon Intl
May 31
ICN5:45 pmIncheon Intl
32h 51m
2 stops
STL12:36 pmLambert-St Louis

WestJet flights from St. Louis to South Korea

Our best WestJet deals on St. Louis to South Korea flight tickets
WestJet
May 20
STL6:45 amLambert-St Louis
46h 00m
2 stops
ICN6:45 pmIncheon Intl
Jun 5
ICN8:45 pmIncheon Intl
34h 24m
2 stops
STL5:09 pmLambert-St Louis
WestJet
Sep 6
STL3:30 pmLambert-St Louis
37h 15m
2 stops
ICN6:45 pmIncheon Intl
Sep 13
ICN8:45 pmIncheon Intl
34h 06m
2 stops
STL4:51 pmLambert-St Louis
WestJet
Jun 3
STL1:09 pmLambert-St Louis
39h 36m
2 stops
ICN6:45 pmIncheon Intl
Jun 9
ICN8:45 pmIncheon Intl
37h 52m
2 stops
STL8:37 pmLambert-St Louis

See travel insights to South Korea from

How to get the cheapest flight ticket from St. Louis to South Korea

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 South Korea?

If you aren’t able to travel to South Korea during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $931.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from St. Louis is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,367. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to South Korea for around $1,713.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,290 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,673 on average. Flights to South Korea from St. Louis in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from St. Louis when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,403 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from St. Louis for as low as $1,099 on momondo.

Cheap St. Louis to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to South Korea

Best Price Found

$666

Fastest flight time

16h 01m

Direct flights

None

Airports in South Korea

2 airports
The best one-way flight to South Korea from St. Louis in the past 72 hours is $666. The best round-trip flight deal from St. Louis to South Korea found on momondo in the last 72 hours is $1,242.
The fastest flight from St. Louis to South Korea takes 16h 01m
There are no direct flights from St. Louis to South Korea. Popular non-direct routes for this connection are Lambert-St Louis Airport - Seoul Gimpo Intl Airport and Lambert-St Louis Airport - Incheon Intl Airport.
There are 2 airports near South Korea: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

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

    Prices for flights from Lambert-St Louis Airport to South Korea were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The necessary travel and health documents for your South Korea trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Best airlines flying from St. Louis to South Korea

Compare and see reviews for airlines that fly from St. Louis to South Korea with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $799Free CancellationRating
7.0
9,028 reviews
Search Air Canada flights
DeltaPriceFrom $902Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
American AirlinesPriceFrom $996Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,080Free CancellationRating
8.4
1,051 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $1,479Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to South Korea from St. Louis with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to South Korea.

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

Price alerts on flights to South Korea 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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