Cheapest one-way flights from Boston to San Jose in March from 112€

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

One-Way flights

11 Mar United
19 Mar United
17 Mar Spirit Airlines
31 Mar Spirit Airlines
26 Mar Spirit Airlines
29 Mar Spirit Airlines
14 Mar Spirit Airlines
15 Mar Spirit Airlines
23 Mar Spirit Airlines
20 Mar Spirit Airlines

Also check the deals for return flights from Boston 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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