Cheapest return flights from Philadelphia to San Jose in April from 431€

Best time to book flights for Philadelphia (PHL) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to San Jose (SJO) in April 2025 (see full year).

Return flights

01 Apr - 07 Apr Frontier Airlines
03 Apr - 06 Apr Frontier Airlines
13 Apr - 19 Apr Frontier Airlines
26 Apr - 03 May Frontier Airlines

Also check the deals for one-way flights from Philadelphia 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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