Cheapest return flights from Denver to San Jose in August from 241€

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

Return flights

03 Aug - 07 Aug Copa
09 Aug - 16 Aug United
14 Aug - 19 Aug Southwest Airlines
14 Aug - 18 Aug Frontier Airlines
07 Aug - 14 Aug Frontier Airlines
04 Aug - 13 Aug Copa
06 Aug - 13 Aug Copa
27 Aug - 01 Sep Frontier Airlines
03 Aug - 10 Aug Copa
02 Aug - 09 Aug United
28 Aug - 01 Sep Southwest Airlines
01 Aug - 08 Aug Frontier Airlines

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

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.