Cheapest return flights from Denver to San Jose in January from 278€

Best time to book flights for Denver (DEN) to San Jose (SJO) flights at AirHint

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

Return flights

23 Jan - 08 Feb Frontier Airlines
29 Jan - 04 Feb Frontier Airlines
25 Jan - 01 Feb Frontier Airlines
29 Jan - 05 Feb Frontier Airlines
22 Jan - 05 Feb Copa
27 Jan - 03 Feb Frontier Airlines
14 Jan - 21 Jan Frontier Airlines
25 Jan - 02 Feb Frontier Airlines
17 Jan - 21 Jan Frontier Airlines
15 Jan - 22 Jan Frontier Airlines
23 Jan - 26 Jan Copa
25 Jan - 02 Feb United direct
25 Jan - 01 Feb Southwest Airlines direct
04 Jan - 11 Jan Frontier Airlines
03 Jan - 10 Jan Frontier Airlines
04 Jan - 11 Jan Southwest Airlines direct
01 Jan - 06 Jan Frontier Airlines

Also check the deals for one-way 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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