₹45,935 Cheap Flights from Seoul (ICN) to St. Louis (STL)

View ₹45,935 flight on Mon, 17 Nov 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from Seoul (ICN) to St. Louis (STL)

Prices were available within the past 7 days and start at ₹45,935 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seoul (ICN) to St. Louis (STL)

September is typically the cheapest month to fly

From ₹57,931 - ₹123,074 per traveller.

Graph displaying average flight prices per month

Flight from Seoul to St. Louis route information
Origin airport
Incheon Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
10679 km

Incheon to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Incheon to St. Louis will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ICN to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Incheon for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Incheon Airport to STL?
Round-trip flights from Incheon Intl. Airport (ICN) to Lambert-St. Louis Intl. Airport (STL) start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year --- book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul--Incheon Intl. Airport to STL?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Seoul--Incheon Intl. Airport to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Airport to St. Louis Lambert International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Lambert-St. Louis Intl. Airport (STL)?
The distance is around 10,800 kilometres, so fill your carry-on bag with everything you need to make your journey comfortable. Not sure what to take on board your South Korea to St. Louis flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from ICN to St. Louis Lambert International Airport?
There are no direct flights, so you'll need to make at least one stop between Incheon Airport and STL. Make the most of the layover time to stretch your legs and freshen up.
Are Incheon Intl. Airport (ICN) to STL flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Incheon Intl. Airport (ICN) to Lambert Field last minute could save you some cash. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

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