Cheapest return flights from Ontario to San Jose in August from 470€

AirHint found the following cheapest return flights from Ontario (ONT) to San Jose (SJO) in August 2025 (see full year).

Return flights

25 Aug - 28 Aug Southwest Airlines
18 Aug - 22 Aug Southwest Airlines
19 Aug - 21 Aug Southwest Airlines
20 Aug - 16 Sep Southwest Airlines
26 Aug - 30 Aug Southwest Airlines
20 Aug - 27 Aug Southwest Airlines
18 Aug - 25 Aug Southwest Airlines
21 Aug - 25 Aug Southwest Airlines
16 Aug - 19 Aug Southwest Airlines
21 Aug - 27 Aug Southwest Airlines
23 Aug - 30 Aug Southwest Airlines
31 Aug - 04 Sep Southwest Airlines
30 Aug - 06 Sep Southwest Airlines
30 Aug - 07 Sep Southwest Airlines
29 Aug - 05 Sep Southwest Airlines
28 Aug - 02 Sep Southwest Airlines
29 Aug - 02 Sep Southwest Airlines
28 Aug - 01 Sep Southwest Airlines

Also check the deals for one-way flights from Ontario to San Jose in August.

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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