Cheapest return flights from Philadelphia to San Jose in April from $280

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

Return flights

22 Apr - 29 Apr United
21 Apr - 28 Apr Spirit Airlines
28 Apr - 29 Apr Spirit Airlines
28 Apr - 09 May Spirit Airlines
29 Apr - 09 May Spirit Airlines
27 Apr - 29 Apr Spirit Airlines
27 Apr - 28 Apr Spirit Airlines
27 Apr - 09 May Spirit Airlines
10 Apr - 28 Apr Spirit Airlines
10 Apr - 29 Apr Spirit Airlines
10 Apr - 23 Apr Spirit Airlines
26 Apr - 28 Apr Spirit Airlines
22 Apr - 28 Apr Spirit Airlines
21 Apr - 09 May Spirit Airlines
26 Apr - 09 May Spirit Airlines
22 Apr - 09 May Spirit Airlines
28 Apr - 05 May Spirit Airlines
29 Apr - 05 May Spirit Airlines
27 Apr - 05 May Spirit Airlines
21 Apr - 05 May Spirit Airlines

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

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