Cheap flights from St. Louis to Seoul from $423

Travelers frequently search for route combinations, such as St. Louis and Las Vegas, Cancún, Orlando, Los Angeles, San Francisco, Denver, Mexico City, Tuxtla Gutiérrez, Toronto, Ottawa, Lima, Buenos Aires, Cali, Sydney, Warsaw, San José, Washington, D.C., Reykjavik, Fort Lauderdale, Melbourne.

Travelers frequently search for route combinations, such as Seoul and Los Angeles, San Francisco, Atlanta, New York, Honolulu, Tokyo, Las Vegas, Houston, Hagåtña, Osaka, Washington, D.C., Dallas, Portland, Chicago, Bangkok, Manila, San Diego, Boston, Salt Lake City, Minneapolis.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Evansville Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Quincy Regional, Cape Girardeau Regional, Barkley Regional.

The main airport in Seoul is Incheon International. It is also served by Daegu International, Cheongju International, Yangyang International, Wonju, Gunsan.

Currently, you can fly between St. Louis and Seoul with Alaska Airlines, Frontier Airlines, Korean Air, Asiana Airlines, Tway Airlines.

If you don’t have specific dates for your trip between St. Louis and Seoul, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between St. Louis and Seoul, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Evansville Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Quincy Regional, Cape Girardeau Regional, Barkley Regional

There are a number of airports in and around Seoul. The main one is Incheon International and other nearby airports include Daegu International, Cheongju International, Yangyang International, Wonju, Gunsan.