Cheapest return flights from Boston to San Jose in December from $193

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

Return flights

13 Dec - 16 Dec Spirit Airlines
12 Dec - 16 Dec Spirit Airlines
07 Dec - 10 Dec jetBlue
07 Dec - 11 Dec jetBlue
07 Dec - 12 Dec jetBlue
06 Dec - 16 Dec Spirit Airlines
10 Dec - 16 Dec Spirit Airlines
13 Dec - 15 Dec Spirit Airlines
13 Dec - 17 Dec Spirit Airlines
05 Dec - 16 Dec Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
31 Dec - 08 Jan jetBlue
31 Dec - 13 Jan Spirit Airlines
17 Dec - 13 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
31 Dec - 07 Jan Spirit Airlines
28 Dec - 12 Jan jetBlue
31 Dec - 10 Jan Spirit Airlines

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

Powered by

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.