$502 Cheap flights from Lambert-St. Louis Intl. to Incheon Intl. (STL to ICN)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Incheon Intl.

Amazing STL to ICN Flight Deals

The cheapest flights to Incheon Intl. found within the past 7 days were $902 round trip and $502 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Nov 27 - Thu, Dec 5
STL
St. Louis
ICN
Seoul
$902 Roundtrip, found 5 days ago
$902
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 27 from St. Louis to Seoul, returning Thu, Dec 5, priced at $902 found 5 days ago
Thu, Feb 13 - Wed, Feb 19
STL
St. Louis
ICN
Seoul
$920 Roundtrip, found 2 days ago
$920
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Feb 13 from St. Louis to Seoul, returning Wed, Feb 19, priced at $920 found 2 days ago
Sat, Jan 25 - Tue, Feb 4
STL
St. Louis
ICN
Seoul
$931 Roundtrip, found 3 days ago
$931
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Jan 25 from St. Louis to Seoul, returning Tue, Feb 4, priced at $931 found 3 days ago
Thu, Feb 13 - Wed, Feb 19
STL
St. Louis
ICN
Seoul
$959 Roundtrip, found 2 days ago
$959
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Feb 13 from St. Louis to Seoul, returning Wed, Feb 19, priced at $959 found 2 days ago
Mon, Jan 13 - Fri, Jan 31
STL
St. Louis
ICN
Seoul
$962 Roundtrip, found 6 hours ago
$962
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Jan 13 from St. Louis to Seoul, returning Fri, Jan 31, priced at $962 found 6 hours ago
Thu, Jan 9 - Wed, Jan 22
STL
St. Louis
ICN
Seoul
$972 Roundtrip, found 4 days ago
$972
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Jan 9 from St. Louis to Seoul, returning Wed, Jan 22, priced at $972 found 4 days ago
Thu, Feb 13 - Wed, Feb 19
STL
St. Louis
ICN
Seoul
$984 Roundtrip, found 2 days ago
$984
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Feb 13 from St. Louis to Seoul, returning Wed, Feb 19, priced at $984 found 2 days ago
Fri, Jan 24 - Thu, Feb 6
STL
St. Louis
ICN
Seoul
$985 Roundtrip, found 8 hours ago
$985
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Fri, Jan 24 from St. Louis to Seoul, returning Thu, Feb 6, priced at $985 found 8 hours ago
Sat, Mar 1 - Wed, Mar 12
STL
St. Louis
ICN
Seoul
$1,062 Roundtrip, found 1 day ago
$1,062
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Mar 1 from St. Louis to Seoul, returning Wed, Mar 12, priced at $1,062 found 1 day ago
Wed, Dec 4 - Sun, Dec 8
STL
St. Louis
ICN
Seoul
$1,106 Roundtrip, found 2 days ago
$1,106
Roundtrip
found 2 days ago
Select Korean Air flight, departing Wed, Dec 4 from St. Louis to Seoul, returning Sun, Dec 8, priced at $1,106 found 2 days ago

Frequently asked questions

Are there direct flights from St. Louis Lambert International Airport to ICN?
There are no nonstop flights from STL to ICN. However, we can direct you to airlines offering flights with just one stopover. Check out Delta, American Airlines or Korean Air.
How long is the flight from St. Louis Lambert International Airport to ICN?
It takes about 16 hours to get from St. Louis Lambert International Airport to Incheon Airport. For this lengthy flight, you’ll want to be as well prepared as possible. Consider bringing a neck pillow for better sleep, packing a few snacks and wearing loose-fitting, layered clothes.
What is the flight distance from Lambert Field to Seoul--Incheon Intl. Airport?
With 6,700 mi separating St. Louis and Incheon, you’ll have time to sit back and relax. Make use of the in-flight entertainment, finish a crossword or snooze for a while.
What airlines fly from Lambert Field to Incheon Intl. Airport (ICN)?
You’ll have to plan for at least one stopover if you’re on your way from Lambert-St. Louis Intl. Airport (STL) to Incheon Airport, as no airlines operate direct flights between these destinations. Make the most of your layover by stretching your legs, freshening up and exploring what the stores have on offer.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Incheon Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$902

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Incheon International Airport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
ICN - Incheon International Airport
Distance:
7,417.00 miles


Discover our best flights from St. Louis STL to Seoul ICN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Seoul ICN at the right price  

Airfares to Seoul ICN from St. Louis STL currently cost between $902 and $1,106. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Seoul ICN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Seoul ICN on Travelocity starting at $502. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seoul ICN from St. Louis STL quicker with direct flights. 

Get to Seoul faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ICN from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Seoul ICN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ICN from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Seoul ICN today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from St. Louis STL to Seoul ICN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seoul ICN from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ICN from STL have this option.  

 

Travel with confidence when you book flights to Seoul ICN from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.