Cheapest return flights from Denver to San Jose in April from $305

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 April 2025 (see full year).

Return flights

28 Apr - 02 May Frontier Airlines
27 Apr - 04 May Frontier Airlines
28 Apr - 05 May Frontier Airlines
30 Apr - 07 May American Airlines
26 Apr - 03 May Frontier Airlines
01 Apr - 04 Apr Frontier Airlines
30 Apr - 04 May Frontier Airlines
04 Apr - 03 May Frontier Airlines
25 Apr - 02 May Frontier Airlines
03 Apr - 06 Apr Frontier Airlines
23 Apr - 30 Apr American Airlines
08 Apr - 16 Apr United
01 Apr - 08 Apr Frontier Airlines
08 Apr - 15 Apr Frontier Airlines
09 Apr - 16 Apr Frontier Airlines
22 Apr - 29 Apr Frontier Airlines
12 Apr - 19 Apr Frontier Airlines
22 Apr - 27 Apr Frontier Airlines
26 Apr - 03 May United direct
05 Apr - 03 May Southwest Airlines

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

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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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