Cheapest one-way flights from Denver to San Jose in January from 99€

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

One-Way flights

17 Jan Frontier Airlines
01 Jan American Airlines
09 Jan United
28 Jan United
19 Jan Frontier Airlines
30 Jan Frontier Airlines
05 Jan United direct
01 Jan United direct
03 Jan United direct
09 Jan United direct

Also check the deals for return flights from Denver to San Jose in January.

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