AirHint found the following cheapest one-way flights from Denver (DEN) to San Jose (SJO) in March 2026 (see full year).
One-Way flights
| 16 Mar | United | ||
| 15 Mar | United | ||
| 28 Mar | United | ||
| 29 Mar | United | ||
| 30 Mar | United | ||
| 29 Mar | Southwest Airlines | direct | |
| 21 Mar | United | ||
| 21 Mar | United | direct | |
| 10 Mar | Copa | ||
| 11 Mar | Copa |
Also check the deals for return flights from Denver to San Jose in March.
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