Cheap TRI to Ontario flights

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

Tri-Cities to Ontario Flights, Stats and Airplanes

Route information for flights from Tri Cities Regional to Ontario Intl..

Destination:
Distance:
1,981.34 miles

TRI - Tri Cities Regional Airlines

Browse the most popular airlines servicing the Tri-Cities (TRI) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

ONT - Ontario Intl. Airlines

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