Cheapest one-way flights from Ontario to San Jose in July from 245€

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

One-Way flights

25 Jul Frontier Airlines
22 Jul Southwest Airlines
24 Jul Southwest Airlines
29 Jul Southwest Airlines
23 Jul Southwest Airlines
27 Jul Southwest Airlines
31 Jul Southwest Airlines
26 Jul Southwest Airlines

Also check the deals for return 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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.