AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO) in November 2025 (see full year).

Return flights

11 Nov - 18 Nov	Spirit Airlines
04 Nov - 18 Nov	Spirit Airlines
04 Nov - 11 Nov	Spirit Airlines
19 Nov - 24 Nov	Delta
11 Nov - 14 Nov	Spirit Airlines
04 Nov - 14 Nov	Spirit Airlines
04 Nov - 09 Nov	Copa
13 Nov - 20 Nov	Delta
07 Nov - 14 Nov	Copa
07 Nov - 18 Nov	Spirit Airlines
22 Nov - 12 Dec	Spirit Airlines
23 Nov - 12 Dec	Spirit Airlines

Also check the deals for one-way flights from Boston to San Jose in November.

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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Cheapest return flights from Boston to San Jose in November from 255€

Return flights