$497 Cheap flights from Incheon Intl. to Lambert-St. Louis Intl. (ICN to STL)

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

Amazing ICN to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $986 round trip and $497 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Feb 10 - Mon, Feb 24
ICN
Seoul
STL
St. Louis
$986 Roundtrip, found 3 hours ago
$986
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Mon, Feb 10 from Seoul to St. Louis, returning Mon, Feb 24, priced at $986 found 3 hours ago
Mon, Mar 31 - Sun, Apr 13
ICN
Seoul
STL
St. Louis
$993 Roundtrip, found 3 days ago
$993
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Mar 31 from Seoul to St. Louis, returning Sun, Apr 13, priced at $993 found 3 days ago
Wed, Dec 25 - Tue, Dec 31
ICN
Seoul
STL
St. Louis
$1,002 Roundtrip, found 4 days ago
$1,002
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Dec 25 from Seoul to St. Louis, returning Tue, Dec 31, priced at $1,002 found 4 days ago
Wed, Dec 25 - Sun, Jan 5
ICN
Seoul
STL
St. Louis
$1,007 Roundtrip, found 4 days ago
$1,007
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Dec 25 from Seoul to St. Louis, returning Sun, Jan 5, priced at $1,007 found 4 days ago
Mon, Mar 3 - Mon, Sep 1
ICN
Seoul
STL
St. Louis
$1,007 Roundtrip, found 3 days ago
$1,007
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Mar 3 from Seoul to St. Louis, returning Mon, Sep 1, priced at $1,007 found 3 days ago
Thu, Dec 26 - Tue, Dec 31
ICN
Seoul
STL
St. Louis
$1,017 Roundtrip, found 4 days ago
$1,017
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Dec 26 from Seoul to St. Louis, returning Tue, Dec 31, priced at $1,017 found 4 days ago
Fri, Jan 31 - Fri, Feb 7
ICN
Seoul
STL
St. Louis
$1,024 Roundtrip, found 5 days ago
$1,024
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Jan 31 from Seoul to St. Louis, returning Fri, Feb 7, priced at $1,024 found 5 days ago
Sat, Mar 1 - Tue, Mar 11
ICN
Seoul
STL
St. Louis
$1,036 Roundtrip, found 4 days ago
$1,036
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Mar 1 from Seoul to St. Louis, returning Tue, Mar 11, priced at $1,036 found 4 days ago
Tue, Apr 29 - Sat, May 3
ICN
Seoul
STL
St. Louis
$1,040 Roundtrip, found 6 days ago
$1,040
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Apr 29 from Seoul to St. Louis, returning Sat, May 3, priced at $1,040 found 6 days ago
Tue, Jan 14 - Tue, Feb 4
ICN
Seoul
STL
St. Louis
$1,137 Roundtrip, found 3 days ago
$1,137
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 14 from Seoul to St. Louis, returning Tue, Feb 4, priced at $1,137 found 3 days ago

Frequently asked questions

Can I catch a flight from Incheon Airport to STL right now?
It’s prudent to know about any quarantine requirements and travel advice reports in effect in your destination city. Make sure you go to the Covid-19 Travel Advisor for up-to-date information on booking a flight to Lambert Field.
Are there direct flights from Incheon Intl. Airport (ICN) to Lambert-St. Louis Intl. Airport (STL)?
Unfortunately, there aren’t any nonstop flights from Incheon Airport to Lambert Field. However, there are airlines that operate flights with just one stopover. Have a look at Delta, Korean Air and American Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to STL, please visit our Customer Service Portal.
How long is the flight from Incheon Airport to STL?
Averaging around 14 hours and 52 minutes all up, flying from Incheon Airport to Lambert Field is no piece of cake. On such a long trip, it’s a smart idea to walk around and stretch your legs whenever you can.
What is the flight distance from ICN to Lambert Field?
The distance from Incheon Airport to STL is 6,700 mi. Apart from loading your device with more entertainment, it’ll be wise to have some noise-canceling earphones and a jacket as well.
What airlines fly from ICN to STL?
You’ll have to plan for at least one stopover if you want to fly from Seoul–Incheon Intl. Airport to Lambert Field, as no airlines offer direct flights between these destinations. Take advantage of your layover time by stretching your legs, freshening up and engaging in a little retail therapy.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
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
Incheon Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$986

Route Info

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


Origin:
ICN - Incheon International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
6,832.00 miles


Airlines & Aircraft Used on ICN to STL Flight Routes


Airline Carrier
Aircraft
Korean Air
Airbus A320-100/200

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

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 Seoul ICN to St. Louis STL at the right price  

Airfares to St. Louis STL from Seoul ICN currently cost between $986 and $1,137. 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 Seoul ICN to St. Louis STL 

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 Seoul ICN to St. Louis STL on Travelocity starting at $497. Prices and availability subject to change. Additional terms may apply. 

 

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

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

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from ICN. 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 Seoul ICN to St. Louis STL today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Seoul ICN to St. Louis STL. 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 St. Louis STL from Seoul ICN 

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

 

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