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Cheap flights from St. Louis to Seoul from $612

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 Seoul departing on 5/10. 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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Find the cheapest flights from St. Louis to Seoul

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Seoul.
 Logo
9:15 am - 9:10 pmSTL-ICN
21h 55m2 stops
 Logo
8:30 am - 7:33 pmICN-STL
25h 03m2 stops
$1,180
Find Deal
Mon, Sep 1 - Sat, Sep 20
 Logo
3:08 pm - 7:35 pmSTL-ICN
38h 27m2 stops
 Logo
6:40 pm - 11:26 pmICN-STL
18h 46m1 stop
$1,210
Find Deal
Tue, Apr 22 - Wed, May 7
Air Canada Logo
9:15 am - 5:30 pmSTL-ICN
18h 15m1 stop
Air Canada Logo
7:10 pm - 3:26 pmICN-STL
34h 16m1 stop
$1,277Air Canada
Find Deal
Thu, Sep 25 - Thu, Oct 30
Air Canada Logo
4:05 pm - 4:05 pmSTL-ICN
34h 00m2 stops
Air Canada Logo
7:05 pm - 3:16 pmICN-STL
34h 11m1 stop
$1,286Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 27
Delta Logo
11:15 am - 5:20 pmSTL-ICN
16h 05m1 stop
Delta Logo
10:15 am - 4:47 pmICN-STL
20h 32m1 stop
$1,409Delta
Find Deal
Tue, Apr 22 - Tue, May 6
Delta Logo
11:51 am - 4:00 amSTL-ICN
26h 09m1 stop
Delta Logo
4:25 pm - 11:39 pmICN-STL
21h 14m1 stop
$1,529Delta
Find Deal
Fri, Aug 22 - Sun, Aug 31
United Airlines Logo
1:25 pm - 4:20 amSTL-ICN
24h 55m2 stops
United Airlines Logo
11:30 am - 4:45 pmICN-STL
19h 15m1 stop
$1,640United Airlines
Find Deal
Sun, Jul 6 - Mon, Jul 14
United Airlines Logo
4:45 pm - 3:00 pmSTL-ICN
32h 15m2 stops
United Airlines Logo
4:50 pm - 4:54 amICN-STL
26h 04m1 stop
$1,659United Airlines
Find Deal
Sat, Jul 5 - Mon, Jul 21
American Airlines Logo
7:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
American Airlines Logo
5:25 pm - 9:18 amICN-STL
29h 53m1 stop
$1,744American Airlines
Find Deal
Fri, Jul 18 - Fri, Aug 1
American Airlines Logo
4:52 pm - 3:30 pmSTL-ICN
32h 38m1 stop
American Airlines Logo
5:25 pm - 11:59 amICN-STL
32h 34m1 stop
$1,786American Airlines
Find Deal
Wed, May 14 - Tue, Aug 5

Cathay Pacific flights from St. Louis to Seoul

Our best Cathay Pacific deals on St. Louis to Seoul flight tickets
Cathay Pacific
Apr 22
STL9:52 amLambert-St Louis
36h 48m
2 stops
ICN12:40 pmIncheon Intl
May 6
ICN10:10 amIncheon Intl
26h 35m
2 stops
STL10:45 pmLambert-St Louis
Cathay Pacific
Aug 22
STL8:26 amLambert-St Louis
38h 14m
2 stops
ICN12:40 pmIncheon Intl
Aug 31
ICN1:40 pmIncheon Intl
46h 50m
2 stops
STL10:30 pmLambert-St Louis
Cathay Pacific
Apr 22
STL9:52 amLambert-St Louis
38h 13m
2 stops
ICN2:05 pmIncheon Intl
May 7
ICN1:40 pmIncheon Intl
47h 24m
2 stops
STL11:04 pmLambert-St Louis

Air Canada flights from St. Louis to Seoul

Our best Air Canada deals on St. Louis to Seoul flight tickets
Air Canada
Sep 25
STL9:15 amLambert-St Louis
18h 15m
1 stop
ICN5:30 pmIncheon Intl
Oct 30
ICN7:10 pmIncheon Intl
34h 16m
1 stop
STL3:26 pmLambert-St Louis
Air Canada
Sep 13
STL4:05 pmLambert-St Louis
34h 00m
2 stops
ICN4:05 pmIncheon Intl
Sep 27
ICN7:05 pmIncheon Intl
34h 11m
1 stop
STL3:16 pmLambert-St Louis
Air Canada
Sep 13
STL1:30 pmLambert-St Louis
36h 35m
2 stops
ICN4:05 pmIncheon Intl
Sep 27
ICN7:05 pmIncheon Intl
31h 15m
2 stops
STL12:20 pmLambert-St Louis

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 cheapest month to fly to Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from St. Louis averaging around $931.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from St. Louis. The lowest ticket price found for a Tuesday departure recently was $1,367. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Sunday, with ticket prices averaging around $1,713.

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

Flying to Seoul 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. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,673 per ticket.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from St. Louis when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Seoul 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 Seoul from St. Louis for as low as $1,099 on momondo.

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

$612

Fastest flight time

16h 01m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from St. Louis in the past 72 hours is $612. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $1,180.
The fastest flight from St. Louis to Seoul takes 16h 01m
There are no direct flights from St. Louis to Seoul. 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 Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

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

    The distance between Lambert-St Louis and Seoul is about 6661.9 mi. 16h 01m 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
Air CanadaPriceFrom $799Free CancellationRating
7.0
9,036 reviews
Search Air Canada flights
DeltaPriceFrom $902Free CancellationRating
8.0
7,901 reviews
Search Delta flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,618 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
1,053 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $1,479Free CancellationRating
8.3
1,441 reviews
Search Japan Airlines 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

Airports listed have a maximum distance of 30.3 mi from Seoul