Cheap GSP to Ontario flights

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

GSP to ONT Route Map

Greenville to Ontario Flights, Stats and Airplanes

Route information for flights from Greenville Spartanburg Intl. to Ontario Intl..

Destination:
Distance:
2,005.48 miles

GSP - Greenville Spartanburg Intl. Airlines

Browse the most popular airlines servicing the Greenville (GSP) 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.