Cheapest return flights from San Francisco to San Jose in December from 296€

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

Return flights

04 Dec - 09 Dec Hawaiian Airlines
04 Dec - 30 Dec Hawaiian Airlines
11 Dec - 14 Dec Avianca
03 Dec - 07 Dec Alaska Airlines
13 Dec - 20 Dec Avianca
12 Dec - 18 Dec Frontier Airlines
26 Dec - 31 Dec Avianca
13 Dec - 21 Dec Alaska Airlines
04 Dec - 09 Dec United direct
19 Dec - 28 Dec Avianca
24 Dec - 01 Jan Avianca
27 Dec - 03 Jan Avianca
20 Dec - 10 Jan Frontier Airlines
25 Dec - 02 Jan Hawaiian Airlines
25 Dec - 03 Jan Avianca

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

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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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