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Cheap flights from St Louis (STL) to Seoul (SEL)

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The best prices from St Louis to Seoul are usually found in April or February, booked 0 days in advance, depart on a Thursday or Sunday and return on a Wednesday

How to find the cheapest flight from
St Louis (STL) to Seoul (SEL)

STL - SEL
Price
$872 - $1587
SEL
Temperature
35.6 - 84.2 °F
SEL
Rainfall
0.8 - 16.2 inches
Popular in December High demand for flights, 35% potential price rise
Cheapest in April Best time to find cheap flights, 16% potential price drop
Round-trip from $872 From St Louis to Seoul
One-way from $805 One-way flight from St Louis to Seoul
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Seoul?

Monday flights are found to be more expensive to fly from St Louis to Seoul. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seoul.

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

Find a great deal and save up to 14% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St Louis to Seoul within the next two weeks, with the cheapest ticket starting at $1127.

What is the cheapest month to fly from St Louis to Seoul?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, March can be a great choice for travel to Seoul. Flights to Seoul from St Louis in March are about $1127 on average during March, but can be found for as low as $688.

When is the cheapest time to fly from St Louis to Seoul (STL - SEL)?

Unlike in the noon, when flights are generally more expensive, you can save up to 11% on flights from St Louis to Seoul by exploring options for tickets in the morning.

Cheap flights from St Louis to Seoul in August, September 2020

The best prices found for STL to SEL flights for August, September
24 Aug - 15 Sep
$1146pp
STL
Lambert-St Louis
Korean Air
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Korean Air
 
1 STOP
STL
Lambert-St Louis
24 Aug - 15 Sep
$1167pp
STL
Lambert-St Louis
Korean Air
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Korean Air
 
1 STOP
STL
Lambert-St Louis
24 Aug - 15 Sep
$1207pp
STL
Lambert-St Louis
Delta
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Delta
 
1 STOP
STL
Lambert-St Louis

St Louis to Seoul 2020 flight deals

Cheap flights to Seoul from St Louis found for this year
9 Sep - 5 Oct
$707pp
STL
Lambert-St Louis
Asiana Airlines
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Asiana Airlines
 
1 STOP
STL
Lambert-St Louis
28 Oct - 18 Nov
$717pp
STL
Lambert-St Louis
Asiana Airlines
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Asiana Airlines
 
1 STOP
STL
Lambert-St Louis
9 Sep - 5 Oct
$725pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
ICN
Seoul Incheon Intl
ICN
Seoul Incheon Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Seoul from St Louis

The cheapest one-way flights from St Louis to Seoul
5:35 am - 4:15 pm
Cathay Pacific
3 Stops
44h 40m
STL - ICN
Cathay Pacific
2:00 am - 11:15 am
Malaysia Airlines
1 Stop
19h 15m
STL - ICN
Malaysia Airlines
$837
Ovago
3:12 pm - 12:30 am
Asiana Airlines
1 Stop
19h 18m
STL - ICN
Asiana Airlines
$936
KAYAK

Related info for your journey

Useful info, stats and facts about St Louis to Seoul flights.

Flight FAQs

From St Louis to Seoul

Are flight prices decreasing from St Louis to Seoul due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Seoul for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Seoul for under $800 on Cheapflights?

Yes, there are multiple flights from St Louis to Seoul for under $800. The cheapest flight booked recently is on Asiana Airlines for just $707, but on average you can expect to pay $878.

Are there nonstop flights from St Louis to Seoul for under $700 on Cheapflights?

There are no nonstop flights from St Louis to Seoul, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is St Louis weather warmer or cooler than Seoul?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in Seoul is generally colder than in St Louis. Book flights in a timely manner in correlation to your departure date.

How long is the flight from St Louis to Seoul?

Korean Air, Asiana Airlines, and Malaysia Airlines can get you from St Louis to Seoul in just under 16h 50m. Your travel time can differ by up to 2h 25m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from St Louis to Seoul round-trip?

Cheapflights users have booked flights from St Louis to Seoul round-trip from $707. Other airlines that can offer you cheap pricing are Malaysia Airlines, from $887, and Japan Airlines, from $938. Asiana Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St Louis to Seoul one-way?

For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $714. Users have also found prices from $837 and $843 on Cathay Pacific and Malaysia Airlines, respectively.

Destination information for Seoul

Things to know before you go. Useful info for your trip from St Louis to Seoul
Today's exchange rate
$1 = 1193원
Average temperature for August in Seoul
84.2 °F
Avg rainfall for August in Seoul
14.1 ″

Airports servicing St. Louis

Airports servicing Seoul

Gimpo Intl (GMP)
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