Cheap STL to Niagara Falls flights

Book your STL to IAG flights with Expedia and find last-minute St. Louis to Niagara Falls airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between STL and IAG, with new flight deals and promotions almost daily. When you book your next trip from Lambert St. Louis Intl. to Niagara Falls 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!

Popular Flights from Niagara Falls, New York

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

STL to IAG Route Map

St. Louis to Niagara Falls Flights, Stats and Airplanes

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

Distance:
667.24 miles

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.

IAG - Niagara Falls Intl. Airlines

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