AirHint found the following cheapest one-way flights from Phoenix (PHX) to San Jose (SJO) in March 2026 (see full year).
One-Way flights
| 03 Mar | Frontier Airlines | ||
| 19 Mar | American Airlines | ||
| 20 Mar | Frontier Airlines | ||
| 14 Mar | Frontier Airlines | ||
| 08 Mar | Frontier Airlines |
Also check the deals for return flights from Phoenix 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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