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Cheap flights from St. Louis to Seoul from $470

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 2/25. 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 from St. Louis to Seoul

The cheapest plane tickets from St. Louis to Seoul found on KAYAK recently.
3:50 pm - 6:25 pmSTL-ICN
35h 35m1 stop
7:10 pm - 3:06 pmICN-STL
33h 56m1 stop
$799Air Canada
Find Deal
Thu, Mar 6 - Thu, Mar 13
3:50 pm - 3:25 pmSTL-ICN
33h 35m2 stops
5:45 pm - 8:01 pmICN-STL
40h 16m2 stops
$804Air Canada
Find Deal
Mon, Mar 24 - Mon, Jun 2
7:04 am - 4:45 pmSTL-ICN
18h 41m1 stop
5:50 pm - 8:09 amICN-STL
28h 19m2 stops
$1,282American Airlines
Find Deal
Thu, Mar 6 - Sun, Mar 16
5:37 am - 3:30 pmSTL-ICN
19h 53m1 stop
5:25 pm - 10:24 pmICN-STL
18h 59m1 stop
$1,471American Airlines
Find Deal
Tue, May 27 - Thu, May 29
5:45 am - 6:20 pmSTL-GMP
21h 35m2 stops
7:50 am - 11:21 amGMP-STL
18h 31m2 stops
$1,480Japan Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
7:00 am - 3:15 pmSTL-ICN
18h 15m1 stop
11:30 am - 4:52 pmICN-STL
19h 22m1 stop
$1,535United Airlines
Find Deal
Tue, Mar 25 - Thu, Apr 3
4:30 pm - 4:40 amSTL-ICN
22h 10m2 stops
11:30 am - 4:36 pmICN-STL
19h 06m2 stops
$1,540United Airlines
Find Deal
Tue, Mar 25 - Thu, Apr 3
6:45 am - 4:25 pmSTL-ICN
19h 40m1 stop
6:40 pm - 9:33 pmICN-STL
16h 53m1 stop
$1,785Delta
Find Deal
Thu, May 15 - Mon, Jun 2
6:19 pm - 10:45 amSTL-GMP
26h 26m2 stops
7:20 pm - 10:57 pmGMP-STL
41h 37m2 stops
$1,817Japan Airlines
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Mon, May 12 - Fri, Aug 8
11:19 am - 5:20 pmSTL-ICN
16h 01m1 stop
6:40 pm - 11:04 pmICN-STL
18h 24m1 stop
$1,865Delta
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Thu, Apr 10 - Sat, Apr 12
7:04 am - 4:45 pmSTL-ICN
18h 41m1 stop
$470American Airlines
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Tue, Feb 25
3:50 pm - 12:20 pmSTL-ICN
29h 30m3 stops
Thu, Feb 20
11:08 pm - 4:10 pmSTL-ICN
50h 02m2 stops
Thu, Feb 20
7:30 pm - 9:15 pmSTL-ICN
35h 45m2 stops
Tue, Jul 15
12:15 pm - 6:45 pmSTL-ICN
40h 30m3 stops
Wed, May 14
3:50 pm - 6:25 pmSTL-ICN
35h 35m1 stop
$716Air Canada
Find Deal
Tue, Feb 25
4:05 pm - 5:30 pmSTL-ICN
35h 25m1 stop
$809Air Canada
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Wed, May 14
6:09 am - 3:00 pmSTL-ICN
18h 51m1 stop
$1,007United Airlines
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Wed, Jul 2
6:29 am - 10:00 pmSTL-GMP
25h 31m2 stops
$1,224Japan Airlines
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Thu, Jul 3
9:50 am - 10:00 pmSTL-GMP
22h 10m2 stops
$1,364Japan Airlines
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Wed, Jul 2
3:50 pm - 3:15 pmSTL-ICN
32h 25m2 stops
4:55 pm - 3:06 pmICN-STL
37h 11m2 stops
$874Air Canada
Find Deal
Sat, Jan 25 - Sat, Feb 1
7:00 am - 5:30 amSTL-ICN
31h 30m1 stop
8:50 pm - 6:59 pmICN-STL
37h 09m1 stop
$1,315
Find Deal
Sat, Jan 25 - Sat, Feb 1
1:45 pm - 3:15 pmSTL-ICN
34h 30m2 stops
8:10 pm - 3:06 pmICN-STL
33h 56m1 stop
$1,409Air Canada
Find Deal
Sat, Jan 25 - Sat, Feb 1
12:15 pm - 9:05 amSTL-ICN
29h 50m3 stops
4:55 pm - 3:06 pmICN-STL
37h 11m2 stops
$1,578
Find Deal
Sat, Jan 25 - Sat, Feb 1
2:55 pm - 9:05 amSTL-ICN
27h 10m2 stops
12:10 am - 3:38 pmICN-STL
30h 28m2 stops
$1,593
Find Deal
Sat, Jan 25 - Fri, Jan 31
6:03 am - 10:20 pmSTL-GMP
25h 17m2 stops
7:50 am - 11:17 amGMP-STL
18h 27m2 stops
$1,805Japan Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
6:00 am - 3:50 pmSTL-ICN
18h 50m1 stop
12:20 am - 10:26 pmICN-STL
37h 06m2 stops
$2,368
Find Deal
Sat, Jan 25 - Fri, Jan 31

Air Canada flights from St. Louis to Seoul

Our best Air Canada deals on St. Louis to Seoul flight tickets
Air Canada
Mar 6
STL3:50 pmLambert-St Louis
35h 35m
1 stop
ICN6:25 pmIncheon Intl
Mar 13
ICN7:10 pmIncheon Intl
33h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Mar 24
STL3:50 pmLambert-St Louis
33h 35m
2 stops
ICN3:25 pmIncheon Intl
Jun 2
ICN5:45 pmIncheon Intl
40h 16m
2 stops
STL8:01 pmLambert-St Louis
Air Canada
Apr 1
STL3:50 pmLambert-St Louis
34h 15m
2 stops
ICN4:05 pmIncheon Intl
Apr 7
ICN7:05 pmIncheon Intl
33h 54m
1 stop
STL2:59 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
STL7:04 amLambert-St Louis
18h 41m
1 stop
ICN4:45 pmIncheon Intl
Mar 16
ICN5:50 pmIncheon Intl
28h 19m
2 stops
STL8:09 amLambert-St Louis
American Airlines
May 27
STL5:37 amLambert-St Louis
19h 53m
1 stop
ICN3:30 pmIncheon Intl
May 29
ICN5:25 pmIncheon Intl
18h 59m
1 stop
STL10:24 pmLambert-St Louis
American Airlines
Mar 21
STL5:10 amLambert-St Louis
20h 45m
1 stop
ICN3:55 pmIncheon Intl
Mar 29
ICN5:50 pmIncheon Intl
18h 54m
1 stop
STL10:44 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 $1,043.

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 $1,577 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 $1,181 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

$470

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 $470. The best round-trip flight deal from St. Louis to Seoul found on momondo in the last 72 hours is $799.
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 $870Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
DeltaPriceFrom $902Free CancellationRating
8.0
8,521 reviews
Search Delta flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,001Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,080Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $1,269Free CancellationRating
8.3
1,449 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