Cheapest return flights from Denver to San Jose in January from 254€

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

Return flights

27 Jan - 05 Feb Copa
25 Jan - 05 Feb Copa
29 Jan - 05 Feb Southwest Airlines
30 Jan - 14 Feb United
26 Jan - 05 Feb Southwest Airlines
30 Jan - 08 Feb United
25 Jan - 15 Feb United
31 Jan - 07 Feb Southwest Airlines
28 Jan - 04 Feb Southwest Airlines
30 Jan - 16 Feb Frontier Airlines

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

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