Cheapest return flights from Ontario to San Jose in January from $367

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 January 2025 (see full year).

Return flights

31 Jan - 08 Feb Volaris
28 Jan - 04 Feb Volaris
30 Jan - 04 Feb Avianca
14 Jan - 21 Jan Avianca
19 Jan - 25 Jan Frontier Airlines
11 Jan - 17 Jan Frontier Airlines
18 Jan - 21 Jan Avianca
14 Jan - 22 Jan Volaris
09 Jan - 17 Feb United
10 Jan - 17 Feb United
31 Jan - 05 Feb Volaris
21 Jan - 27 Jan Avianca
23 Jan - 27 Jan Avianca
18 Jan - 25 Jan Avianca
16 Jan - 21 Jan Avianca
16 Jan - 23 Jan Avianca
30 Jan - 02 Feb Southwest Airlines
22 Jan - 04 Feb Southwest Airlines
21 Jan - 05 Feb Southwest Airlines
25 Jan - 02 Feb Alaska Airlines

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

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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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