Flights from Ontario/LA, CA to San Francisco, CA starting at *

Best Deals on Flights From Ontario/LA, CA (ONT) to San Francisco, CA (SFO)

No fares were found for the selected criteria.

Flights Deals from Ontario/LA, CA to San Francisco, CA on Frontier

$
FromOntario/LA, CA (ONT)ToSan Francisco, CA (SFO)One-way
/
Economy		Departing Oct 8, 2024

From

$19*

Last seen: 8 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Ontario/LA, CA San Francisco, CA

More Popular Flights From Ontario/LA, CA and To San Francisco, CA

Explore Frontier's Top-Pick Destinations