Cheapest return flights from San Diego to San Jose in December from $126

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

Return flights

18 Dec - 08 Jan Frontier Airlines
23 Dec - 06 Jan Alaska Airlines direct
17 Dec - 11 Jan Alaska Airlines direct
24 Dec - 01 Jan Southwest Airlines direct
31 Dec - 07 Jan Alaska Airlines direct
18 Dec - 08 Jan Hawaiian Airlines direct
20 Dec - 07 Jan Hawaiian Airlines direct
24 Dec - 02 Jan Alaska Airlines direct
12 Dec - 02 Jan Frontier Airlines
22 Dec - 22 Dec Hawaiian Airlines direct
23 Dec - 31 Dec Alaska Airlines direct
29 Dec - 31 Dec Alaska Airlines direct
21 Dec - 31 Dec Alaska Airlines direct
15 Dec - 05 Jan Alaska Airlines direct
25 Dec - 30 Dec Alaska Airlines direct
28 Dec - 31 Dec Southwest Airlines direct
17 Dec - 22 Dec Alaska Airlines direct
12 Dec - 14 Dec Frontier Airlines
19 Dec - 22 Dec Alaska Airlines direct
25 Dec - 28 Dec Hawaiian Airlines direct

Also check the deals for one-way flights from San Diego 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.