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Cheap flights from St. Louis to Seoul from $516

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 10/15. 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.
United Airlines Logo
5:49 pm - 4:20 amSTL-ICN
20h 31m1 stop
United Airlines Logo
11:30 am - 4:53 pmICN-STL
19h 23m1 stop
$991United Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 20
United Airlines Logo
5:49 pm - 4:20 amSTL-ICN
20h 31m1 stop
United Airlines Logo
11:30 am - 4:42 pmICN-STL
19h 12m1 stop
$1,002United Airlines
Find Deal
Mon, Sep 1 - Thu, Sep 25
United Airlines Logo
5:49 pm - 4:20 amSTL-ICN
20h 31m1 stop
United Airlines Logo
11:30 am - 4:53 pmICN-STL
19h 23m1 stop
$1,003United Airlines
Find Deal
Sun, Aug 31 - Wed, Sep 24
Air Canada Logo
4:05 pm - 4:05 pmSTL-ICN
34h 00m2 stops
Air Canada Logo
7:10 pm - 3:26 pmICN-STL
34h 16m1 stop
$1,184Air Canada
Find Deal
Sat, Oct 18 - Mon, Oct 27
Delta Logo
6:00 am - 5:20 pmSTL-ICN
21h 20m2 stops
Delta Logo
7:20 pm - 12:37 amICN-STL
19h 17m2 stops
$1,280Delta
Find Deal
Sun, Aug 31 - Sun, Sep 21
Air Canada Logo
4:00 pm - 4:05 pmSTL-ICN
34h 05m2 stops
Air Canada Logo
7:05 pm - 7:57 pmICN-STL
38h 52m2 stops
$1,408Air Canada
Find Deal
Sun, Aug 31 - Mon, Sep 22
Delta Logo
6:05 pm - 5:20 pmSTL-ICN
33h 15m1 stop
Delta Logo
7:20 pm - 8:32 amICN-STL
27h 12m2 stops
$1,520Delta
Find Deal
Wed, May 14 - Tue, Aug 5
American Airlines Logo
7:47 pm - 3:30 pmSTL-ICN
29h 43m1 stop
American Airlines Logo
5:25 pm - 12:14 amICN-STL
20h 49m1 stop
$1,845American Airlines
Find Deal
Sat, Jun 28 - Sat, Jul 12
Korean Air Logo
6:00 am - 4:50 pmSTL-ICN
20h 50m1 stop
Korean Air Logo
6:40 pm - 11:01 pmICN-STL
18h 21m1 stop
$1,941Korean Air
Find Deal
Tue, Jun 17 - Tue, Jul 29
Korean Air Logo
6:00 am - 2:10 pmSTL-ICN
18h 10m1 stop
Korean Air Logo
6:40 pm - 11:01 pmICN-STL
18h 21m1 stop
$2,001Korean Air
Find Deal
Fri, Jun 13 - Tue, Jul 29

United Airlines flights from St. Louis to Seoul

Our best United Airlines deals on St. Louis to Seoul flight tickets
United Airlines
Sep 1
STL5:49 pmLambert-St Louis
20h 31m
1 stop
ICN4:20 amIncheon Intl
Sep 20
ICN11:30 amIncheon Intl
19h 23m
1 stop
STL4:53 pmLambert-St Louis
United Airlines
Sep 1
STL5:49 pmLambert-St Louis
20h 31m
1 stop
ICN4:20 amIncheon Intl
Sep 25
ICN11:30 amIncheon Intl
19h 12m
1 stop
STL4:42 pmLambert-St Louis
United Airlines
Aug 31
STL5:49 pmLambert-St Louis
20h 31m
1 stop
ICN4:20 amIncheon Intl
Sep 24
ICN11:30 amIncheon Intl
19h 23m
1 stop
STL4:53 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
Oct 18
STL4:05 pmLambert-St Louis
34h 00m
2 stops
ICN4:05 pmIncheon Intl
Oct 27
ICN7:10 pmIncheon Intl
34h 16m
1 stop
STL3:26 pmLambert-St Louis
Air Canada
Aug 31
STL4:00 pmLambert-St Louis
34h 05m
2 stops
ICN4:05 pmIncheon Intl
Sep 22
ICN7:05 pmIncheon Intl
38h 52m
2 stops
STL7:57 pmLambert-St Louis
Air Canada
Jul 4
STL1:30 pmLambert-St Louis
36h 45m
1 stop
ICN4:15 pmIncheon Intl
Jul 16
ICN6:00 pmIncheon Intl
40h 00m
1 stop
STL8:00 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 typical price of a round-trip flight between St. Louis and Seoul?

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 $1,376 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

$516

Fastest flight time

18h 00m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from St. Louis in the past 72 hours is $516. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $991.
The fastest flight from St. Louis to Seoul takes 18h 00m
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. 18h 00m 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
9,192 reviews
Search Air Canada flights
DeltaPriceFrom $902Free CancellationRating
8.0
7,920 reviews
Search Delta flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,685 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
1,062 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $1,479Free CancellationRating
8.3
1,452 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