Cheapest one-way flights from Denver to San Jose in March from 108€

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 United
18 Mar Southwest Airlines
19 Mar Delta
08 Mar Frontier Airlines
28 Mar United
01 Mar Frontier Airlines
27 Mar Frontier Airlines
10 Mar Southwest Airlines
26 Mar United
29 Mar Southwest Airlines direct

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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