Cheapest return flights from San Francisco to Ontario in July from 32€

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

Return flights

28 Jul - 04 Aug Frontier Airlines direct
25 Jul - 28 Jul Frontier Airlines direct
23 Jul - 28 Jul Frontier Airlines
07 Jul - 14 Jul Frontier Airlines direct
21 Jul - 22 Jul Frontier Airlines
16 Jul - 17 Jul United direct
04 Jul - 14 Jul Frontier Airlines direct
24 Jul - 23 Aug United direct
23 Jul - 27 Jul Frontier Airlines
15 Jul - 18 Jul Frontier Airlines
04 Jul - 07 Jul Frontier Airlines direct
04 Jul - 09 Jul Frontier Airlines
29 Jul - 04 Aug Southwest Airlines
30 Jul - 06 Aug Southwest Airlines
22 Jul - 04 Aug Southwest Airlines
31 Jul - 04 Aug Southwest Airlines
31 Jul - 06 Aug Southwest Airlines
29 Jul - 03 Aug Southwest Airlines
25 Jul - 04 Aug Southwest Airlines

Also check the deals for one-way flights from San Francisco to Ontario 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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