Cheapest return flights from Denver to San Jose in January from $305

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

Return flights

31 Jan - 07 Feb United
24 Jan - 31 Jan Southwest Airlines
20 Jan - 27 Jan American Airlines
22 Jan - 25 Jan American Airlines
10 Jan - 17 Jan jetBlue
03 Jan - 10 Jan American Airlines
01 Jan - 08 Jan Southwest Airlines
03 Jan - 11 Jan Southwest Airlines

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

Skyscanner

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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