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Uncover the best deals on St Louis to Seoul flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - ICN Flights
Useful information for finding best airline tickets from Lambert St Louis International to Incheon International on your next trip.
Cheapest Round Trip Flight
$1309
Korean Air
• 1 stop
• 37h
Mar 24 – Apr 07
The cheapest round trip flight from St Louis to Seoul (STL-ICN-STL) is currently $1309
Fastest Flight
37h
The fastest nonstop flight from St Louis to Seoul (STL-ICN) takes 37h
Top Airlines Flying from St Louis to Seoul
Latest Flight Deals from St Louis (STL) to Seoul (ICN)
Compare and book low fare round-trip air tickets from St Louis to Seoul. Ideal for travelers with confirmed return itineraries.
Mar 24 - Apr 07, Economy
St Louis → Seoul
37h
6:00 AM - 6:20 PM • 1 stop
St Louis → Seoul
35h 26m
10:35 AM - 6:01 PM • 1 stop
Korean Air
Mar 24 - Apr 07, Economy
St Louis → Seoul
60h 11m
3:24 PM - 5:35 PM • 1 stop
St Louis → Seoul
54h 11m
7:35 PM - 2:26 PM • 1 stop
Alaska Airlines
Mar 24 - Apr 07, Economy
St Louis → Seoul
52h 15m
7:05 PM - 4:40 PM • 1 stop
St Louis → Seoul
30h 49m
6:50 PM - 11:39 PM • 1 stop
Korean Air
Mar 24 - Apr 07, Economy
St Louis → Seoul
60h 11m
4:05 PM - 5:25 PM • 1 stop
St Louis → Seoul
54h 11m
7:05 PM - 3:26 PM • 1 stop
Air Canada
Mar 24 - Apr 07, Economy
St Louis → Seoul
60h 11m
4:05 PM - 5:25 PM • 1 stop
St Louis → Seoul
54h 11m
7:05 PM - 10:27 AM • 2 stops
Air Canada
FAQs on St Louis to Seoul Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to ICN?
The most popular airline flying from St Louis to Seoul are
Can I fly from STL to ICN non-stop?
NO
Which airlines fly nonstop between St Louis and Seoul?
The non-stop flights between St Louis and Seoul are .
What’s the earliest departure time from STL to ICN Airport?
The earliest flight leaves STL at 6:00 am and lands in ICN - Incheon International
What are the airports in Seoul?
ICN
Can I make changes to my St Louis to Seoul flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to ICN?
Read the fare rules of the St Louis to Seoul air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Seoul?
operate flights between St Louis and Seoul
How long does a flight from St Louis to Seoul take?
It takes approximately 14 hour to fly non-stop from STL to ICN, which is 6688.54 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Seoul (ICN) ?
In the past couple of days, the cheapest tickets to ICN from STL were found on AC : USD 2402
Do I need a passport to fly between STL and ICN?
Yes
What’s the latest departure time from STL to ICN ?
The last flight leaves STL at 7:05 pm
St Louis (STL) to Seoul (ICN): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Incheon International , Seoul, KR |
| Distance | 6689 miles |
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