Cheapest return flights from Philadelphia to San Jose in May from 262€

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

Return flights

10 May - 15 May Spirit Airlines
07 May - 11 May Spirit Airlines
01 May - 04 May Spirit Airlines
01 May - 15 May Spirit Airlines
01 May - 11 May Spirit Airlines
07 May - 15 May Spirit Airlines
13 May - 16 May United
10 May - 11 May Spirit Airlines
25 May - 30 May Frontier Airlines
09 May - 12 May Frontier Airlines

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

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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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