Cheapest one-way flights from Denver to San Jose in March from $126

AirHint found the following cheapest one-way flights from Denver (DEN) to San Jose (SJO) in March 2026 (see full year).

One-Way flights

03 Mar Frontier Airlines
17 Mar American Airlines
02 Mar Frontier Airlines
28 Mar United
29 Mar United
30 Mar American Airlines
07 Mar Frontier Airlines
16 Mar Delta
06 Mar Frontier Airlines
01 Mar Frontier Airlines

Also check the deals for return flights from Denver to San Jose in March.

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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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