Cheapest return flights from Ontario to San Jose in July from $574

Best time to book flights for Ontario (ONT) to San Jose (SJO) flights at AirHint

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

Return flights

07 Jul - 16 Jul Lufthansa
18 Jul - 27 Jul Volaris
20 Jul - 26 Jul Lufthansa
18 Jul - 26 Jul Volaris
19 Jul - 26 Jul Lufthansa
23 Jul - 06 Aug Southwest Airlines
17 Jul - 21 Jul Southwest Airlines
03 Jul - 06 Jul Volaris
12 Jul - 26 Jul Southwest Airlines
02 Jul - 07 Jul Southwest Airlines

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