Cheapest one-way flights from San Francisco to San Jose in December from $158

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

One-Way flights

05 Dec Frontier Airlines
13 Dec Frontier Airlines
03 Dec Frontier Airlines
02 Dec Frontier Airlines
09 Dec jetBlue
08 Dec jetBlue
07 Dec Frontier Airlines
11 Dec Frontier Airlines
31 Dec jetBlue
01 Dec Frontier Airlines

Also check the deals for return 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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