Cheapest return flights from San Francisco to San Jose in December from 331€

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

Return flights

08 Dec - 15 Dec Frontier Airlines
09 Dec - 17 Dec Frontier Airlines
08 Dec - 16 Dec Frontier Airlines
05 Dec - 11 Dec Frontier Airlines
07 Dec - 15 Dec Frontier Airlines
11 Dec - 18 Dec Frontier Airlines
03 Dec - 11 Dec Frontier Airlines
11 Dec - 21 Dec Frontier Airlines
03 Dec - 13 Dec Frontier Airlines
13 Dec - 23 Dec Frontier Airlines
27 Dec - 29 Jan Frontier Airlines
15 Dec - 06 Jan Frontier Airlines
31 Dec - 08 Jan Frontier Airlines
30 Dec - 13 Jan United direct
26 Dec - 07 Jan Frontier Airlines
28 Dec - 04 Jan Frontier Airlines
27 Dec - 04 Jan Frontier Airlines
22 Dec - 04 Jan Frontier Airlines
26 Dec - 04 Jan Frontier Airlines
22 Dec - 02 Jan Frontier Airlines

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

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