Cheapest return flights from San Diego to San Jose in December from 253€

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

Return flights

07 Dec - 14 Dec Copa
06 Dec - 10 Dec Delta
02 Dec - 09 Dec Delta
15 Dec - 25 Dec United
04 Dec - 08 Dec United
17 Dec - 24 Dec United
17 Dec - 23 Dec United
19 Dec - 23 Dec United
28 Dec - 06 Jan United
22 Dec - 29 Dec Frontier Airlines
24 Dec - 04 Jan Frontier Airlines

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

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