￥70,660 Cheap Flights from Seoul (ICN) to St. Louis (STL)

View ￥70,660 flight on Fri, Jan 30, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ￥70,660 for one-way flights and ￥111,360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Jun 3 - Mon, Jun 8
ICN
Seoul
STL
St. Louis
￥111,360 Roundtrip, found 1 day ago
￥111,360
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Jun 3 from Seoul to St. Louis, returning Mon, Jun 8, priced at ￥111,360 found 1 day ago
Delta
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥120,960 Roundtrip, found 4 days ago
￥120,960
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥120,960 found 4 days ago
Delta
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥123,230 Roundtrip, found 4 days ago
￥123,230
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥123,230 found 4 days ago
United
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥125,500 Roundtrip, found 4 days ago
￥125,500
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥125,500 found 4 days ago
Asiana Airlines
Wed, Jun 3 - Mon, Jun 8
ICN
Seoul
STL
St. Louis
￥127,560 Roundtrip, found 1 day ago
￥127,560
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Jun 3 from Seoul to St. Louis, returning Mon, Jun 8, priced at ￥127,560 found 1 day ago
Korean Air
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥131,760 Roundtrip, found 4 days ago
￥131,760
Roundtrip
found 4 days ago
Select Korean Air flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥131,760 found 4 days ago
Korean Air
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥134,030 Roundtrip, found 4 days ago
￥134,030
Roundtrip
found 4 days ago
Select Korean Air flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥134,030 found 4 days ago
Delta
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥136,060 Roundtrip, found 4 days ago
￥136,060
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥136,060 found 4 days ago
Korean Air
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
STL
St. Louis
￥136,300 Roundtrip, found 4 days ago
￥136,300
Roundtrip
found 4 days ago
Select Korean Air flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 3, priced at ￥136,300 found 4 days ago
Alaska Airlines
Wed, Jun 3 - Mon, Jun 8
ICN
Seoul
STL
St. Louis
￥166,060 Roundtrip, found 1 day ago
￥166,060
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jun 3 from Seoul to St. Louis, returning Mon, Jun 8, priced at ￥166,060 found 1 day ago
Flights from Seoul (ICN) to St. Louis (STL)
Origin airport
Incheon Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, Japan Airlines, Korean Air, United
Roundtrip price
￥111,360
Distance
10679 km

Seoul 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 Seoul to 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 Seoul 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?
The lowest price advertised for a round-trip journey from Incheon Airport to St. Louis Lambert International Airport is ￥111,360. But you better act soon. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to St. Louis Lambert International Airport?
The majority of flights can be canceled online, but every airline has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Intl. Airport (ICN) 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 Intl. Airport (ICN) to Lambert Field flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Incheon Airport to Lambert Field?
Make the 16 hours and 4 minutes between ICN and Lambert-St. Louis Intl. Airport (STL) as comfortable as possible. Bring the essentials, like warm clothes, a water bottle and earplugs, and simply enjoy the flight!
How far is the flight from Seoul–Incheon Intl. Airport to STL?
With around 10,800 kilometers separating ICN and St. Louis Lambert International Airport, your flight will be a long one. Pack wisely and make your trip more comfortable. Things like warm clothing and a quality travel pillow can make a massive difference.
Which airlines fly direct from ICN to St. Louis Lambert International Airport?
If you want to fly straight from Seoul–Incheon Intl. Airport to St. Louis Lambert International Airport, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are ICN to STL flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute deals between ICN and STL are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers announce their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest bargains around, so keep checking back and be ready to secure your seat when fare prices drop.
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