Beginning of main content

Cheap Flights from Ontario to San Diego

Prices were available within the past 7 days and starts at $91 for one-way flights and $176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ontario to San Diego route information

Origin Airport Los Angeles - Ontario Intl.
Destination Airport San Diego Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, United
Flight Price $176
Distance 94 mi

Cheap ONT to SAN Flights