Cheapest one-way flights from Ontario to San Jose in March from 214€

AirHint found the following cheapest one-way flights from Ontario (ONT) to San Jose (SJO) in March 2026 (see full year).

One-Way flights

11 Mar Southwest Airlines
18 Mar Southwest Airlines
14 Mar Southwest Airlines
12 Mar Southwest Airlines
13 Mar Southwest Airlines
22 Mar Air Canada
20 Mar Southwest Airlines
17 Mar Air Canada
15 Mar Southwest Airlines

Also check the deals for return flights from Ontario to San Jose in March.

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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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