Flights from San Francisco, CA to Ontario/LA, CA

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

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

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

$
Flights Deals from San Francisco, CA to Ontario/LA, CA on Frontier
From
To
San Francisco, CA (SFO)Ontario/LA, CA (ONT)One-way
/
Discount Den Basic Fare		Departing Feb 5, 2026

From

$33

Last seen: 6 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®.

San Francisco, CA Ontario/LA, CA

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