Cheapest return flights from Denver to San Jose in August from $292

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

Return flights

28 Aug - 11 Sep Copa
14 Aug - 17 Aug United
13 Aug - 20 Aug American Airlines
06 Aug - 13 Aug Southwest Airlines
07 Aug - 13 Aug Southwest Airlines
07 Aug - 14 Aug Southwest Airlines
08 Aug - 14 Aug Southwest Airlines
08 Aug - 15 Aug Southwest Airlines
11 Aug - 18 Aug Southwest Airlines
06 Aug - 20 Aug American Airlines
12 Aug - 19 Aug American Airlines
06 Aug - 08 Sep American Airlines
06 Aug - 09 Sep American Airlines
28 Aug - 01 Sep Southwest Airlines
29 Aug - 01 Sep Southwest Airlines
27 Aug - 03 Sep Southwest Airlines
29 Aug - 02 Sep Frontier Airlines

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

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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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