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

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in
St. Louis to Seoul route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Incheon Intl.
Distance
10679 km

Perfect flights from St. Louis to Seoul

Your Journey from St. Louis to Seoul

Start your unforgettable journey with Expedia. Our broad selection of flights from St. Louis to Seoul caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including . Our selection of flights from Lambert-St. Louis Intl. to Incheon Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from airlines, you're bound to find the perfect flight.
 

Maximizing Value with St. Louis to Seoul Flights

Experience the joy of finding cheap flights from Lambert-St. Louis Intl. to Incheon Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from St. Louis to Seoul with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seoul

Picture yourself stepping off the plane in Seoul and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your St. Louis to Seoul Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from St. Louis to Seoul.
 

Beyond the Flight – Exploring Seoul

With Expedia, your adventure extends beyond the flight. Explore Seoul at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from St. Louis to Seoul with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from St. Louis to Seoul with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Lambert Field to ICN?
Round-trip tickets from Lambert Field to Seoul–Incheon Intl. Airport start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now 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 Lambert Field to Incheon Intl. Airport (ICN)?
Each air carrier has a different set of terms and conditions. If you decide to cancel your holiday, visit our Customer Service Portal.
How do I find cheap flights from Lambert Field to Incheon Intl. Airport (ICN) 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 STL to Incheon Intl. Airport (ICN) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert Field to Incheon Airport?
You’ll have 10,800 kilometres to cover on the long-haul St. Louis to South Korea route. Dress in comfy clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Seoul--Incheon Intl. Airport?
Unfortunately, there are no airlines that fly direct between St. Louis Lambert International Airport and Incheon Airport. You’ll have to book a flight with one or more stops.
Are STL to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some super cheap fares from St. Louis Lambert International Airport to Seoul–Incheon Intl. Airport surfacing a few weeks before the date of departure. If you’d rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.
*Available to Expedia members.