Cheap IDA to St. Louis flights

Book your IDA to STL flights with Expedia and find last-minute Idaho Falls to St. Louis airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IDA and STL, with new flight deals and promotions almost daily. When you book your next trip from Idaho Falls Regional to Lambert St. Louis Intl. with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

Popular Flights from St. Louis, Missouri

Browse popular flight destinations from St. Louis (STL), and plan your next exciting trip. Expedia has cheap flights from St. Louis on multiple airline carriers, so book your next trip today!

IDA to STL Route Map

Idaho Falls to St. Louis Flights, Stats and Airplanes

Route information for flights from Idaho Falls Regional to Lambert St. Louis Intl..

Distance:
1,172.46 miles

IDA - Idaho Falls Regional Airlines

Browse the most popular airlines servicing the Idaho Falls (IDA) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

STL - Lambert St. Louis Intl. Airlines

Browse the most popular airlines servicing the St. Louis (STL) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.