Cheap flights from Sioux Falls to St. Louis from $174

Travelers frequently search for route combinations, such as Sioux Falls and Fort Lauderdale, Las Vegas, Puerto Vallarta, Guatemala City, Nashville, Orlando, Phoenix, Tampa, Fairbanks, Kyiv, Phuket City, Port-au-Prince, Harlingen, Dubai, Salt Lake City, Edmonton, Khartoum, Kuala Lumpur, McAllen, Juba.

Travelers frequently search for route combinations, such as St. Louis and Denver, Orlando, Las Vegas, Los Angeles, London, Dallas, Fort Lauderdale, Bogotá, Mexico City, Tokyo, Frankfurt, Cebu, San Francisco, Athens, Amsterdam, Naples, Cancún, Portland, Washington, D.C., San Diego.

The main airport in Sioux Falls is Sioux Falls Regional. It is also served by Sioux Falls Regional, Watertown Regional, Sioux Gateway.

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

Currently, you can fly between Sioux Falls and St. Louis with United Airlines, Frontier Airlines, WestJet, Air Canada.

If you don’t have specific dates for your trip between Sioux Falls and St. Louis, 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 Sioux Falls and St. Louis, 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 Sioux Falls. The main one is Sioux Falls Regional and other nearby airports include Sioux Falls Regional, Watertown Regional, Sioux Gateway

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, Evansville Regional, MidAmerica St. Louis, Columbia Regional, General Wayne A. Downing Peoria International, Central Illinois Regional, Cape Girardeau Regional, Quincy Regional, Waynesville-St. Robert Regional.