Cheap flights from St. Louis to Ko Samui from $721

Travelers frequently search for route combinations, such as St. Louis and Orlando, Las Vegas, Fort Lauderdale, Los Angeles, London, San Juan, Cancún, Denver, Reno, Seattle, San Francisco, New York, Washington, D.C., Amsterdam, Medellín, Oakland, Burbank, Beirut, Calgary, Charlotte.

Travelers frequently search for route combinations, such as Ko Samui and Bangkok, Los Angeles, Chiang Mai, Singapore, Denpasar, Honolulu, San Francisco, Seattle, Phuket City, Chiang Rai Province, Ho Chi Minh City, Siem Reap, Kuala Lumpur, Krabi, Seoul, Hanoi, Hong Kong, New Delhi, Udon Thani, Dubai.

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

The main airport in Ko Samui is Samui. It is also served by Samui, Surat Thani International, Nakhon Si Thammarat.

Currently, you can fly between St. Louis and Ko Samui with Bangkok Airways, Air Canada, Thai Airways, Hawaiian Airlines, EVA Air.

If you don’t have specific dates for your trip between St. Louis and Ko Samui, 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 Ko Samui, 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, Evansville Regional, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Cape Girardeau Regional, Waynesville-St. Robert Regional, Central Illinois Regional, Decatur, Williamson County Regional

There are a number of airports in and around Ko Samui. The main one is Samui and other nearby airports include Samui, Surat Thani International, Nakhon Si Thammarat.