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

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

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to Incheon Airport last minute?
When it comes to booking your flights, it pays to be prepared. While it may be possible to pick up a last-minute deal on a Lambert-St. Louis Intl. Airport (STL) to Seoul–Incheon Intl. Airport flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international journeys it's between three and four months.
What airports do you fly into for Seoul from St. Louis?
Incheon Intl. Airport (ICN), Gimpo Intl. Airport (GMP) and Suwon (SWU-Suwon Airbase) are your options when jetting from St. Louis to Seoul. Around 48 kilometers west of the center of Seoul, Incheon Intl. Airport (ICN) is the city's main entry point. Consider factors like flight schedules and the distance to your hotel before choosing an airport. Starfield COEX Mall and Lotte Outlets Seoul Station are two fantastic attractions to check out when you arrive.
Can I change the date of my flight from STL to Incheon Airport?
We know plans can change, so Expedia is here to help make amending your journey as easy as possible. First, access your Lambert Field to Incheon Airport itinerary through the Expedia Trips portal and browse the fare rules and conditions regarding changes. If you booked your fare in the last 24 hours, some carriers allow you to cancel at no cost and book new flights. If you booked your fare more than 24 hours ago, contact us via our Customer Service portal to run through your options.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Incheon Intl.
Distance
10679 km

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