Cheapest return flights from Phoenix to San Jose in May from 346€

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

Return flights

09 May - 21 May American Airlines
21 May - 28 May Frontier Airlines
11 May - 18 May United
19 May - 24 May United
01 May - 06 May Southwest Airlines
02 May - 09 May Frontier Airlines
04 May - 23 May United
03 May - 10 May Southwest Airlines
03 May - 23 May Frontier Airlines
28 May - 04 Jun Southwest Airlines
24 May - 31 May United
25 May - 26 Jun Volaris

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

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