AirHint found the following cheapest return flights from Phoenix (PHX) to San Jose (SJO) in February 2026 (see full year).

Return flights

23 Feb - 05 Mar	Frontier Airlines
26 Feb - 05 Mar	Delta
21 Feb - 28 Feb	Frontier Airlines
14 Feb - 22 Feb	Frontier Airlines
24 Feb - 04 Mar	Frontier Airlines
19 Feb - 22 Feb	Frontier Airlines
05 Feb - 08 Feb	United
05 Feb - 22 Feb	Frontier Airlines
13 Feb - 22 Feb	Frontier Airlines
13 Feb - 15 Feb	Frontier Airlines
12 Feb - 17 Feb	United
19 Feb - 29 Mar	Copa
19 Feb - 22 Mar	Copa

Also check the deals for one-way flights from Phoenix to San Jose in February.

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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Cheapest return flights from Phoenix to San Jose in February from 272€

Return flights