June is by far the best month, wherein you can get cheapest flights for Seoul to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
ICN
17:25
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
23:14
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
20:55
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
16:53
St Louis
St Louis Lambert International Airport
Wed, 20 Aug 2025
ICN
19:20
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
08:36
St Louis
St Louis Lambert International Airport
Wed, 20 Aug 2025
ICN
11:30
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
16:53
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
16:05
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
20:00
St Louis
St Louis Lambert International Airport
Wed, 20 Aug 2025
ICN
17:25
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
20:22
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
19:40
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
00:38
St Louis
St Louis Lambert International Airport
Wed, 20 Aug 2025
ICN
18:20
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
23:59
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
10:15
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
13:20
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
10:15
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
13:20
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
ICN
10:35
Seoul
Incheon International Airport
Tue , 19 Aug 2025
STL
20:00
St Louis
St Louis Lambert International Airport
Tue, 19 Aug 2025
Flying from Seoul to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Seoul to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Incheon International Airport (ICN) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 10740 km, and most direct services cover it in around 13:24.
Let’s take a closer look at everything you need to know before booking your flight from Seoul to St Louis.
Flight Details | Information |
---|---|
Route Distance | 10740 km |
Average Flight Time | 13:24 hrs |
Departure Airport | Incheon International Airport (ICN) |
Arrival Airport | St Louis Lambert International Airport (STL) |
Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
Direct Flights | NO |
Common Airlines | American Airlines, Asiana Airlines, Delta Airlines, United Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.