Cheapest return flights from Phoenix to San Jose in April from 354€

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

Return flights

22 Apr - 28 Apr United
28 Apr - 06 May Southwest Airlines
30 Apr - 31 May Frontier Airlines
19 Apr - 26 Apr Frontier Airlines
08 Apr - 15 Apr Southwest Airlines
02 Apr - 05 Apr Frontier Airlines
07 Apr - 14 Apr Southwest Airlines
11 Apr - 15 Apr Southwest Airlines

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

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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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