Cheapest return flights from Denver to San Jose in December from 704€

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

Return flights

22 Dec - 10 Jan United
27 Dec - 10 Jan United
26 Dec - 10 Jan United
27 Dec - 07 Jan United
29 Dec - 05 Jan Frontier Airlines
26 Dec - 06 Jan United
19 Dec - 02 Jan Aeromexico
27 Dec - 10 Jan Southwest Airlines direct

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

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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