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

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

One-Way flights

30 Jul United direct
23 Jul United direct
28 Jul Frontier Airlines direct
27 Jul United direct
24 Jul United direct
26 Jul American Airlines
25 Jul American Airlines
29 Jul American Airlines
25 Jul Frontier Airlines direct
26 Jul United direct

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

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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