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Cheap flights from St. Louis to Seoul from $469

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 4/14. 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

These are some of the best round-trip flight deals from St. Louis to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Seoul.

Cheap last minute flights

Planning a quick getaway from St. Louis to Seoul? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seoul, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Seoul

Find recent round-trip train or bus tickets from St. Louis to Seoul.

All round-trip flight deals to Seoul

The cheapest plane tickets to Seoul found on KAYAK recently.
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
7:30 pm - 11:09 pmICN-STL
18h 39m1 stop
$877Delta
Find Deal
Mon, Jan 27 - Mon, Feb 3
5:00 pm - 4:15 pmSTL-ICN
32h 15m2 stops
7:30 pm - 10:17 pmICN-STL
17h 47m1 stop
$881Delta
Find Deal
Sat, Feb 8 - Mon, Feb 17
4:40 pm - 3:50 pmSTL-ICN
32h 10m1 stop
7:30 pm - 11:03 pmICN-STL
17h 33m1 stop
$882Delta
Find Deal
Sat, Mar 1 - Tue, Mar 11
7:07 am - 4:45 pmSTL-ICN
18h 38m1 stop
5:50 pm - 8:48 amICN-STL
28h 58m1 stop
$883American Airlines
Find Deal
Thu, Mar 6 - Thu, Mar 13
4:36 pm - 5:40 amSTL-ICN
22h 04m2 stops
6:00 pm - 6:59 pmICN-STL
15h 59m1 stop
$902United Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
4:36 pm - 4:15 pmSTL-ICN
32h 39m2 stops
12:45 pm - 4:31 pmICN-STL
18h 46m2 stops
$906United Airlines
Find Deal
Sun, Feb 2 - Sat, Feb 8
7:04 am - 4:45 pmSTL-ICN
18h 41m1 stop
6:50 pm - 10:43 pmICN-STL
18h 53m1 stop
$1,037American Airlines
Find Deal
Thu, Feb 13 - Thu, Feb 20
7:10 am - 5:45 pmSTL-ICN
20h 35m1 stop
9:20 am - 2:35 pmICN-STL
19h 15m1 stop
$1,057Korean Air
Find Deal
Tue, Mar 18 - Wed, May 28
1:30 pm - 4:05 pmSTL-ICN
36h 35m2 stops
5:45 pm - 3:16 pmICN-STL
35h 31m2 stops
$1,266Air Canada
Find Deal
Mon, May 19 - Mon, Jun 16
4:05 pm - 5:30 pmSTL-ICN
35h 25m1 stop
5:45 pm - 3:16 pmICN-STL
35h 31m2 stops
$1,271Air Canada
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Mon, May 19 - Mon, Jun 16
5:26 am - 3:30 pmSTL-ICN
20h 04m1 stop
$469American Airlines
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Mon, Apr 14
4:29 pm - 3:15 pmSTL-ICN
31h 46m2 stops
$506United Airlines
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Sat, Mar 8
10:09 pm - 9:05 pmSTL-ICN
55h 56m3 stops
Sun, Jan 5
5:33 pm - 3:15 pmSTL-ICN
31h 42m2 stops
$606United Airlines
Find Deal
Sat, Mar 15
6:43 am - 4:30 pmSTL-ICN
18h 47m1 stop
$619Korean Air
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Fri, Mar 7
5:33 pm - 5:40 amSTL-ICN
45h 07m2 stops
$628United Airlines
Find Deal
Fri, Mar 7
3:11 pm - 9:15 pmSTL-ICN
40h 04m3 stops
Mon, Apr 14
6:00 am - 5:45 pmSTL-ICN
21h 45m1 stop
$677Korean Air
Find Deal
Sat, Mar 15
3:50 pm - 3:15 pmSTL-ICN
32h 25m2 stops
$758Air Canada
Find Deal
Sun, Dec 29
3:50 pm - 5:25 pmSTL-ICN
35h 35m1 stop
$802Air Canada
Find Deal
Sat, Mar 15
3:50 pm - 3:15 pmSTL-ICN
32h 25m2 stops
7:30 pm - 10:06 pmICN-STL
17h 36m1 stop
$1,939
Find Deal
Wed, Dec 25 - Fri, Dec 27
4:43 pm - 4:15 pmSTL-ICN
32h 32m2 stops
6:00 pm - 11:59 pmICN-STL
20h 59m2 stops
$2,069United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
2:23 pm - 5:50 pmSTL-ICN
36h 27m1 stop
8:50 pm - 12:28 amICN-STL
18h 38m1 stop
$2,091
Find Deal
Wed, Dec 25 - Fri, Dec 27
11:10 am - 5:40 amSTL-ICN
27h 30m2 stops
6:00 pm - 11:59 pmICN-STL
20h 59m2 stops
$2,119United Airlines
Find Deal
Wed, Dec 25 - Fri, Dec 27
5:17 pm - 5:45 amSTL-ICN
21h 28m1 stop
7:30 pm - 10:06 pmICN-STL
17h 36m1 stop
$2,287Delta
Find Deal
Mon, Dec 23 - Mon, Dec 30
8:00 am - 4:45 amSTL-ICN
29h 45m3 stops
6:25 pm - 12:26 pmICN-STL
33h 01m3 stops
$2,395
Find Deal
Wed, Dec 25 - Fri, Dec 27
8:00 am - 4:45 amSTL-ICN
29h 45m3 stops
6:25 pm - 10:16 pmICN-STL
18h 51m2 stops
$2,480
Find Deal
Wed, Dec 25 - Fri, Dec 27
1:00 pm - 9:05 amSTL-ICN
29h 05m3 stops
12:10 am - 4:25 pmICN-STL
31h 15m3 stops
$2,545
Find Deal
Mon, Dec 23 - Sun, Dec 29
3:50 pm - 6:45 pmSTL-ICN
35h 55m3 stops
7:45 pm - 3:06 pmICN-STL
34h 21m3 stops
$2,671
Find Deal
Mon, Dec 23 - Mon, Dec 30
3:50 pm - 12:20 pmSTL-ICN
29h 30m3 stops
9:55 pm - 3:21 pmICN-STL
32h 26m2 stops
$2,756
Find Deal
Mon, Dec 23 - Mon, Dec 30

Delta flights from St. Louis to Seoul

Our best Delta deals on St. Louis to Seoul flight tickets
Delta
Jan 27
STL6:00 amLambert-St Louis
18h 30m
1 stop
ICN3:30 pmIncheon Intl
Feb 3
ICN7:30 pmIncheon Intl
18h 39m
1 stop
STL11:09 pmLambert-St Louis
Delta
Feb 8
STL5:00 pmLambert-St Louis
32h 15m
2 stops
ICN4:15 pmIncheon Intl
Feb 17
ICN7:30 pmIncheon Intl
17h 47m
1 stop
STL10:17 pmLambert-St Louis
Delta
Mar 1
STL4:40 pmLambert-St Louis
32h 10m
1 stop
ICN3:50 pmIncheon Intl
Mar 11
ICN7:30 pmIncheon Intl
17h 33m
1 stop
STL11:03 pmLambert-St Louis

American Airlines flights from St. Louis to Seoul

Our best American Airlines deals on St. Louis to Seoul flight tickets
American Airlines
Mar 6
STL7:07 amLambert-St Louis
18h 38m
1 stop
ICN4:45 pmIncheon Intl
Mar 13
ICN5:50 pmIncheon Intl
28h 58m
1 stop
STL8:48 amLambert-St Louis
American Airlines
Feb 13
STL7:04 amLambert-St Louis
18h 41m
1 stop
ICN4:45 pmIncheon Intl
Feb 20
ICN6:50 pmIncheon Intl
18h 53m
1 stop
STL10:43 pmLambert-St Louis
American Airlines
Mar 6
STL7:07 amLambert-St Louis
18h 38m
1 stop
ICN4:45 pmIncheon Intl
Mar 13
ICN5:50 pmIncheon Intl
30h 07m
2 stops
STL9:57 amLambert-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 March is another great option to travel to Seoul, with average flight prices from St. Louis averaging around $1,276.

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?

Most flyers found that booking tickets 6 days in advance of their planned departure date is the best time to get cheap flights to Seoul. During this timeframe, flight prices are around $1,600. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $870.

Can stopping save me money on St. Louis to Seoul flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Seoul flight.

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

$469

Fastest flight time

17h 50m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from St. Louis in the past 72 hours is $469. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $877.
The fastest flight from St. Louis to Seoul takes 17h 50m
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. 17h 50m 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 $870Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
DeltaPriceFrom $902Free CancellationRating
8.0
8,594 reviews
Search Delta flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,011Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Japan AirlinesPriceFrom $1,269Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
Korean AirPriceFrom $1,469Free CancellationRating
8.4
1,025 reviews
Search Korean Air 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