Cheapest one-way flights from Ontario to San Francisco in November from 33€

AirHint found the following cheapest one-way flights from Ontario (ONT) to San Francisco (SFO) in November 2025 (see full year).

One-Way flights

19 Nov United direct
13 Nov Frontier Airlines direct
17 Nov Frontier Airlines direct
03 Nov Frontier Airlines direct
06 Nov Frontier Airlines direct
27 Nov United direct
02 Nov Frontier Airlines
05 Nov Southwest Airlines
14 Nov Frontier Airlines direct
16 Nov Frontier Airlines direct

Also check the deals for return flights from Ontario to San Francisco in November.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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