₩1,139,100 Cheap Flights from Seoul (GMP) to St. Louis (STL)

View ₩1,139,100 flight on Tue, May 12, 2026Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to St. Louis Lambert Intl. Airport (STL)

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

Prices were available within the past 7 days and start at ₩1,139,100 for one-way flights and ₩2,018,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Fri, Jan 23 - Sat, Jan 24
GMP
Seoul
STL
St. Louis
₩2,018,400 Roundtrip, found 5 days ago
₩2,018,400
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Fri, Jan 23 from Seoul to St. Louis, returning Sat, Jan 24, priced at ₩2,018,400 found 5 days ago
Japan Airlines
Tue, May 12 - Wed, May 20
GMP
Seoul
STL
St. Louis
₩2,042,500 Roundtrip, found 5 days ago
₩2,042,500
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, May 12 from Seoul to St. Louis, returning Wed, May 20, priced at ₩2,042,500 found 5 days ago
All Nippon Airways
Fri, Jan 23 - Sat, Jan 24
GMP
Seoul
STL
St. Louis
₩2,118,400 Roundtrip, found 5 days ago
₩2,118,400
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Fri, Jan 23 from Seoul to St. Louis, returning Sat, Jan 24, priced at ₩2,118,400 found 5 days ago
Japan Airlines
Thu, Dec 11 - Mon, Dec 15
GMP
Seoul
STL
St. Louis
₩2,119,900 Roundtrip, found 4 days ago
₩2,119,900
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Thu, Dec 11 from Seoul to St. Louis, returning Mon, Dec 15, priced at ₩2,119,900 found 4 days ago
Japan Airlines
Fri, Jan 23 - Sat, Jan 24
GMP
Seoul
STL
St. Louis
₩2,137,500 Roundtrip, found 5 days ago
₩2,137,500
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Fri, Jan 23 from Seoul to St. Louis, returning Sat, Jan 24, priced at ₩2,137,500 found 5 days ago
All Nippon Airways
Tue, Dec 9 - Thu, Jan 15
GMP
Seoul
STL
St. Louis
₩2,176,500 Roundtrip, found 5 days ago
₩2,176,500
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Dec 9 from Seoul to St. Louis, returning Thu, Jan 15, priced at ₩2,176,500 found 5 days ago
Japan Airlines
Fri, Jan 23 - Sat, Jan 24
GMP
Seoul
STL
St. Louis
₩2,180,000 Roundtrip, found 5 days ago
₩2,180,000
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Fri, Jan 23 from Seoul to St. Louis, returning Sat, Jan 24, priced at ₩2,180,000 found 5 days ago
Japan Airlines
Tue, Dec 9 - Thu, Jan 15
GMP
Seoul
STL
St. Louis
₩2,185,000 Roundtrip, found 5 days ago
₩2,185,000
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Dec 9 from Seoul to St. Louis, returning Thu, Jan 15, priced at ₩2,185,000 found 5 days ago
Japan Airlines
Tue, May 12 - Wed, May 20
GMP
Seoul
STL
St. Louis
₩2,190,000 Roundtrip, found 5 days ago
₩2,190,000
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, May 12 from Seoul to St. Louis, returning Wed, May 20, priced at ₩2,190,000 found 5 days ago
Japan Airlines
Fri, Jan 23 - Sat, Jan 24
GMP
Seoul
STL
St. Louis
₩2,217,500 Roundtrip, found 5 days ago
₩2,217,500
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Fri, Jan 23 from Seoul to St. Louis, returning Sat, Jan 24, priced at ₩2,217,500 found 5 days ago

Frequently asked questions

How much is a flight from Gimpo Intl. Airport (GMP) to Lambert Field?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Gimpo Airport to Lambert Field start from ₩2,018,400. Book ASAP to secure the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gimpo Intl. Airport (GMP) to Lambert-St. Louis Intl. Airport (STL)?
Each air carrier has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Gimpo Intl. Airport (GMP) to 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 Gimpo Intl. Airport (GMP) 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 GMP to Lambert Field?
The distance is around 10,700 kilometers, so fill your carry-on luggage with everything you need to make the long journey comfortable. Wondering what to take on board your Seoul to St. Louis flight? A sleep mask, earplugs and a travel pillow are a few essentials.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to STL?
Flying nonstop between Gimpo Airport and Lambert Field isn't possible right now. However, you'll still be able to find a flight to St. Louis with at least one stop.
Are GMP to St. Louis Lambert International Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Gimpo Airport to Lambert-St. Louis Intl. Airport (STL) last minute could be your ticket to a cheap deal. However, it might cost you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Travel information

Origin airport
Gimpo Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Japan Airlines
Roundtrip price
₩2,018,400
Distance
10654 km

Book with confidence

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 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 GMP 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.

Seoul to St. Louis Flights

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