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Cheap flights from St. Louis to Seoul from $434

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 12/6. 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.
3:50 pm - 3:15 pmSTL-ICN
32h 25m2 stops
4:55 pm - 3:06 pmICN-STL
37h 11m2 stops
$864Air Canada
Find Deal
Sun, Feb 2 - Sat, Feb 8
6:00 pm - 4:20 amSTL-ICN
20h 20m1 stop
4:50 pm - 12:27 amICN-STL
21h 37m1 stop
$902United Airlines
Find Deal
Sat, Apr 5 - Tue, Apr 22
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
8:05 pm - 12:57 amICN-STL
19h 52m2 stops
$907Delta
Find Deal
Thu, Dec 5 - Thu, Dec 12
6:30 am - 4:30 pmSTL-ICN
19h 00m1 stop
7:30 pm - 10:06 pmICN-STL
17h 36m1 stop
$1,103
Find Deal
Mon, Dec 9 - Fri, Dec 27
6:00 am - 2:20 pmSTL-ICN
18h 20m1 stop
10:35 am - 1:19 pmICN-STL
16h 44m1 stop
$1,104
Find Deal
Tue, Apr 1 - Sun, Apr 20
3:26 pm - 3:30 pmSTL-ICN
33h 04m1 stop
9:35 am - 1:24 pmICN-STL
18h 49m1 stop
$1,466Delta
Find Deal
Sat, Dec 7 - Fri, Dec 13
5:40 am - 6:20 pmSTL-GMP
21h 40m2 stops
12:05 pm - 11:03 pmGMP-STL
25h 58m2 stops
$1,497Japan Airlines
Find Deal
Wed, Jan 8 - Thu, Jan 16
7:08 am - 4:45 pmSTL-ICN
18h 37m1 stop
6:50 pm - 11:46 pmICN-STL
19h 56m2 stops
$1,639American Airlines
Find Deal
Wed, Dec 11 - Mon, Jan 13
7:59 am - 10:00 pmSTL-GMP
24h 01m2 stops
12:05 pm - 10:54 pmGMP-STL
24h 49m2 stops
$1,641Japan Airlines
Find Deal
Sun, Apr 13 - Wed, Apr 23
5:05 am - 4:45 pmSTL-ICN
20h 40m1 stop
6:50 pm - 10:48 amICN-STL
30h 58m1 stop
$1,643American Airlines
Find Deal
Wed, Dec 11 - Mon, Jan 13
6:46 pm - 2:15 pmSTL-ICN
52h 29m3 stops
Fri, Dec 6
8:05 am - 5:40 amSTL-ICN
30h 35m2 stops
$506United Airlines
Find Deal
Wed, Mar 5
9:00 am - 5:40 amSTL-ICN
29h 40m1 stop
$521United Airlines
Find Deal
Wed, Mar 5
3:50 pm - 4:45 pmSTL-ICN
33h 55m2 stops
$845Air Canada
Find Deal
Wed, Dec 11
3:50 pm - 4:45 pmSTL-ICN
33h 55m2 stops
$890Air Canada
Find Deal
Thu, Dec 12
6:00 am - 3:50 pmSTL-ICN
18h 50m1 stop
$1,272Delta
Find Deal
Wed, Dec 11
6:25 am - 10:20 pmSTL-GMP
24h 55m2 stops
$1,285Japan Airlines
Find Deal
Fri, Dec 13
7:08 am - 10:55 amSTL-GMP
36h 47m2 stops
$1,294Japan Airlines
Find Deal
Sun, Dec 15
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
$1,380Delta
Find Deal
Thu, Dec 12
11:40 am - 6:55 amSTL-ICN
52h 15m3 stops
$5,276Austrian Airlines
Find Deal
Sat, Dec 14

Air Canada flights from St. Louis to Seoul

Our best Air Canada deals on St. Louis to Seoul flight tickets
Air Canada
Feb 2
STL3:50 pmLambert-St Louis
32h 25m
2 stops
ICN3:15 pmIncheon Intl
Feb 8
ICN4:55 pmIncheon Intl
37h 11m
2 stops
STL3:06 pmLambert-St Louis
Air Canada
Jan 12
STL3:50 pmLambert-St Louis
32h 25m
2 stops
ICN3:15 pmIncheon Intl
Jan 20
ICN8:10 pmIncheon Intl
33h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 12
STL3:50 pmLambert-St Louis
32h 25m
2 stops
ICN3:15 pmIncheon Intl
Jan 20
ICN4:55 pmIncheon Intl
37h 11m
2 stops
STL3:06 pmLambert-St Louis

United Airlines flights from St. Louis to Seoul

Our best United Airlines deals on St. Louis to Seoul flight tickets
United Airlines
Apr 5
STL6:00 pmLambert-St Louis
20h 20m
1 stop
ICN4:20 amIncheon Intl
Apr 22
ICN4:50 pmIncheon Intl
21h 37m
1 stop
STL12:27 amLambert-St Louis
United Airlines
Apr 6
STL6:00 pmLambert-St Louis
20h 20m
1 stop
ICN4:20 amIncheon Intl
Apr 23
ICN4:50 pmIncheon Intl
21h 37m
1 stop
STL12:27 amLambert-St Louis
United Airlines
Nov 25
STL6:30 amLambert-St Louis
32h 10m
2 stops
ICN5:40 amIncheon Intl
Nov 27
ICN6:00 pmIncheon Intl
21h 16m
1 stop
STL12:16 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 cheapest month to fly to Seoul?

The month of December is another great option to travel to Seoul, with average flight prices from St. Louis averaging around $1,219.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $0 when looking at flights departing at noon. 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.

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

You could potentially save up to 43% 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

$434

Fastest flight time

17h 45m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from St. Louis in the past 72 hours is $434. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $864.
The fastest flight from St. Louis to Seoul takes 17h 45m
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 45m 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
8,246 reviews
Search Air Canada flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
DeltaPriceFrom $902Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom $1,011Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Japan AirlinesPriceFrom $1,331Free CancellationRating
8.3
1,457 reviews
Search Japan Airlines flights
Korean AirPriceFrom $1,469Free CancellationRating
8.4
1,024 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