← San Francisco to Ontario: all datesCheapest one-way fare by departure dateLow $19 on Sat, Dec 12 · High $114 See all →
−61%One way
San Francisco to Ontario 🇺🇸
$19$49
- Departs
- Sat, Dec 12
- Return
- —
- Stops
- Direct
- Airline
- Frontier Airlines
- Duration
- 1h 27m
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Other dates on this route
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This flight to Ontario costs you 1h 16m of work.
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Prices come from fares travellers found in the last few days and can change at any time. Last updated Thu, 22 Oct 2026 16:17:21 GMT.
