Cheapest return DEN–SJO flights, July

AirHint found the following cheapest return flights from Denver (DEN) to San Jose (SJO) in July 2026 (see full year).

Return flights

04 Jul - 12 Jul Viva
11 Jul - 19 Jul Viva
04 Jul - 19 Jul Viva
11 Jul - 26 Jul Viva
04 Jul - 18 Jul Frontier Airlines
04 Jul - 11 Jul Viva
25 Jul - 01 Aug Frontier Airlines
11 Jul - 25 Jul Viva
04 Jul - 25 Jul Viva
18 Jul - 26 Jul Viva
11 Jul - 18 Jul Viva
11 Jul - 01 Aug Viva
25 Jul - 09 Aug Viva
18 Jul - 08 Aug Viva
18 Jul - 01 Aug Viva
23 Jul - 09 Aug Copa
25 Jul - 01 Aug United direct

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

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