Cheapest return flights from Denver to San Jose in December from 303€

AirHint found the following cheapest return flights from Denver (DEN) to San Jose (SJO) in December 2025 (see full year).

Return flights

21 Dec - 27 Dec United direct
24 Dec - 31 Dec United
20 Dec - 24 Dec United
29 Dec - 06 Jan United direct
24 Dec - 05 Jan United direct
20 Dec - 24 Dec United direct
28 Dec - 06 Jan United direct
29 Dec - 05 Jan United direct
29 Dec - 29 Dec Frontier Airlines

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

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