Cheapest one-way flights from San Francisco to Ontario in August from 85€

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Ontario (ONT) in August 2026 (see full year).

One-Way flights

31 Aug Frontier Airlines direct
28 Aug Frontier Airlines direct
11 Aug Southwest Airlines
05 Aug Southwest Airlines
19 Aug Southwest Airlines
26 Aug Southwest Airlines
22 Aug Southwest Airlines
16 Aug Southwest Airlines
15 Aug Southwest Airlines
13 Aug Southwest Airlines

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

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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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