₩757,100 Cheap Flights from Seoul (SEL) to St. Louis (STL)

View ₩757,100 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Seoul to St. Louis, MO (STL-Lambert-St. Louis Intl.)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ₩757,100 for one-way flights and ₩842,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 29 - Sun, Nov 2
ICN
Seoul
STL
St. Louis
₩842,200 Roundtrip, found 2 days ago
₩842,200
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Seoul to St. Louis, returning Sun, Nov 2, priced at ₩842,200 found 2 days ago
American Airlines
Wed, Oct 29 - Sun, Nov 2
ICN
Seoul
STL
St. Louis
₩882,300 Roundtrip, found 2 days ago
₩882,300
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Seoul to St. Louis, returning Sun, Nov 2, priced at ₩882,300 found 2 days ago
Delta
Wed, Oct 29 - Sun, Nov 2
ICN
Seoul
STL
St. Louis
₩886,100 Roundtrip, found 2 days ago
₩886,100
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 29 from Seoul to St. Louis, returning Sun, Nov 2, priced at ₩886,100 found 2 days ago
Delta
Fri, Oct 31 - Tue, Nov 4
ICN
Seoul
STL
St. Louis
₩886,600 Roundtrip, found 23 hours ago
₩886,600
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Oct 31 from Seoul to St. Louis, returning Tue, Nov 4, priced at ₩886,600 found 23 hours ago
Delta
Fri, Mar 13 - Wed, Mar 25
ICN
Seoul
STL
St. Louis
₩886,900 Roundtrip, found 2 hours ago
₩886,900
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Mar 13 from Seoul to St. Louis, returning Wed, Mar 25, priced at ₩886,900 found 2 hours ago
Delta
Fri, Nov 14 - Mon, Dec 1
ICN
Seoul
STL
St. Louis
₩903,700 Roundtrip, found 6 days ago
₩903,700
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Nov 14 from Seoul to St. Louis, returning Mon, Dec 1, priced at ₩903,700 found 6 days ago
Delta
Wed, Oct 29 - Sun, Nov 2
ICN
Seoul
STL
St. Louis
₩904,300 Roundtrip, found 2 days ago
₩904,300
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 29 from Seoul to St. Louis, returning Sun, Nov 2, priced at ₩904,300 found 2 days ago
United
Fri, Mar 13 - Wed, Mar 25
ICN
Seoul
STL
St. Louis
₩923,300 Roundtrip, found 2 hours ago
₩923,300
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Mar 13 from Seoul to St. Louis, returning Wed, Mar 25, priced at ₩923,300 found 2 hours ago
Korean Air
Thu, Nov 13 - Thu, Nov 20
ICN
Seoul
STL
St. Louis
₩1,005,100 Roundtrip, found 2 days ago
₩1,005,100
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Nov 13 from Seoul to St. Louis, returning Thu, Nov 20, priced at ₩1,005,100 found 2 days ago
Air Canada
Thu, Oct 30 - Mon, Nov 3
ICN
Seoul
STL
St. Louis
₩1,488,700 Roundtrip, found 4 hours ago
₩1,488,700
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Thu, Oct 30 from Seoul to St. Louis, returning Mon, Nov 3, priced at ₩1,488,700 found 4 hours ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from ₩886,900
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from ₩886,900

Frequently asked questions

How much is a flight from Seoul (SEL-All Airports) to Lambert-St. Louis Intl. Airport (STL)?
Round-trip tickets between Seoul (SEL-All Airports) and St. Louis Lambert International Airport start from ₩842,200. This figure is based on fares available 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 (SEL-All Airports) to Lambert Field?
This can vary between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from Seoul (SEL-All Airports) 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 Seoul (SEL-All Airports) to Lambert Field flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seoul (SEL-All Airports) to STL?
You'll have 10,700 kilometers to cover on the long-haul South Korea to St. Louis route. Dress in layers of comfy clothes and consider taking a neck pillow with you.
Which airlines fly direct from Seoul (SEL-All Airports) to St. Louis Lambert International Airport?
Flying nonstop between Seoul (SEL-All Airports) and STL isn't possible at this time. However, you'll still be able to find a flight to St. Louis with at least one stop.
Are Seoul (SEL-All Airports) to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some of the cheapest airfares from Seoul (SEL-All Airports) to Lambert-St. Louis Intl. Airport (STL) cropping up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance.

Travel information

Origin airport
Incheon Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, American Airlines, Delta, Japan Airlines, Lufthansa, United
Roundtrip price
₩842,200
Distance
10679 km

Book with confidence

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 SEL 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.

Incheon to St. Louis Flights

Explore a world of travel with Expedia

Seoul nearby Airports

Seoul

Incheon Intl. to St. Louis
₩842,200
*Available to Expedia members.