Cheapest one-way flights from Denver to San Jose in January from 104€

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

One-Way flights

10 Jan Frontier Airlines
07 Jan Frontier Airlines
02 Jan Frontier Airlines
14 Jan United
17 Jan American Airlines
04 Jan Frontier Airlines
17 Jan Southwest Airlines direct
11 Jan Copa
12 Jan Copa
13 Jan Copa

Also check the deals for return flights from Denver 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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