Cheapest return flights from San Francisco to San Jose in January from 313€

AirHint found the following cheapest return flights from San Francisco (SFO) to San Jose (SJO) in January 2026 (see full year).

Return flights

10 Jan - 21 Jan Frontier Airlines
21 Jan - 01 Feb Frontier Airlines
23 Jan - 30 Jan Frontier Airlines
11 Jan - 20 Jan Frontier Airlines
17 Jan - 31 Jan Frontier Airlines
19 Jan - 28 Jan Avianca
11 Jan - 21 Jan Frontier Airlines
12 Jan - 21 Jan Frontier Airlines
05 Jan - 16 Jan Frontier Airlines
11 Jan - 20 Jan United direct
12 Jan - 21 Jan United direct

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

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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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