Cheap Flights from Tri-Cities to St. Louis

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Cheap TRI to St. Louis flights

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

TRI to STL Flight Schedule

A $ indicates that Expedia.com offers pricing for these airline's flights on the dates shown. A dot () indicates the airline has an available flight scheduled, but Expedia does not provide online booking at this time.

Popular Flights from Tri-Cities, Tennessee

Browse popular flight destinations from Tri-Cities (TRI), and plan your next exciting trip. Expedia has cheap flights from Tri-Cities on multiple airline carriers, so book your next trip today!

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!

TRI to STL Route Map


Interesting Facts About Flights from Tri-Cities to St. Louis (TRI to STL)

(Source: FAA & BTS 2009 Databases)

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