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Seoul To St Louis Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

November
December
January
February
March
April
August
September
October

November 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.

disclDisclaimer - 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.

Best Flight From Seoul To St Louis

Cheapest
American Airlines
American Airlines

ICN

19:15

Seoul

Incheon International Airport

Mon , 24 Nov 2025

18h 44m
ellipse
1 Stop

STL

22:59

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£469
Delta Airlines
Delta Airlines

ICN

19:25

Seoul

Incheon International Airport

Mon , 24 Nov 2025

17h 33m
ellipse
1 Stop

STL

21:58

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£486
American Airlines
American Airlines

ICN

19:15

Seoul

Incheon International Airport

Sun , 23 Nov 2025

18h 19m
ellipse
1 Stop

STL

22:34

St Louis

St Louis Lambert International Airport

Sun, 23 Nov 2025

£506
Delta Airlines
Delta Airlines

ICN

20:05

Seoul

Incheon International Airport

Sun , 23 Nov 2025

19h 41m
ellipse
2 Stop

STL

00:46

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£513
Delta Airlines
Delta Airlines

ICN

19:25

Seoul

Incheon International Airport

Sun , 23 Nov 2025

17h 33m
ellipse
1 Stop

STL

21:58

St Louis

St Louis Lambert International Airport

Sun, 23 Nov 2025

£523
Korean Air
Korean Air

ICN

10:40

Seoul

Incheon International Airport

Sun , 23 Nov 2025

16h 48m
ellipse
1 Stop

STL

12:28

St Louis

St Louis Lambert International Airport

Sun, 23 Nov 2025

£591
United Airlines
United Airlines

ICN

12:45

Seoul

Incheon International Airport

Sun , 23 Nov 2025

24h 09m
ellipse
2 Stop

STL

21:54

St Louis

St Louis Lambert International Airport

Sun, 23 Nov 2025

£1186
United Airlines
United Airlines

ICN

12:45

Seoul

Incheon International Airport

Sun , 23 Nov 2025

18h 42m
ellipse
1 Stop

STL

16:27

St Louis

St Louis Lambert International Airport

Sun, 23 Nov 2025

£1316
Alaska Airlines
Alaska Airlines

ICN

20:35

Seoul

Incheon International Airport

Mon , 24 Nov 2025

18h 19m
ellipse
1 Stop

STL

23:54

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£1524
Alaska Airlines
Alaska Airlines

ICN

20:35

Seoul

Incheon International Airport

Sun , 23 Nov 2025

33h 44m
ellipse
1 Stop

STL

15:19

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£1570
Emirates
Emirates

ICN

23:40

Seoul

Incheon International Airport

Sun , 23 Nov 2025

34h 59m
ellipse
2 Stop

STL

19:39

St Louis

St Louis Lambert International Airport

Mon, 24 Nov 2025

£2706
ellipse

Early Morning Flight Seoul to St Louis

wallet
Cheapest Flight
Found
£591
group
Average Flight
Time
16h 48m
calendra
Date/Time
23 Nov 2025
10:40 AM
plane
Airlines
Korean Air
Ellipse

Late Night Flight Seoul to St Louis

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Cheapest Flight
Found
£1570
group
Average Flight
Time
33h 44m
calendar
Date/Time
23 Nov 2025
20:35 PM
plane
Airlines
Alaska Airlines

Flights from Seoul to St Louis with Easemytrip

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 06:41.

Let’s take a closer look at everything you need to know before booking your flight from Seoul to St Louis.

Travel Overview: Seoul to St Louis

Flight Details Information
Route Distance 10740 km
Average Flight Time 06:41 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, Delta Airlines, Korean Air, 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.

Read more

FAQs about flights from Seoul to St Louis

Are there direct flights from Seoul to St Louis?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?