Cheapest return flights from Philadelphia to San Jose in December from $225

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

Return flights

08 Dec - 10 Dec Spirit Airlines
03 Dec - 10 Dec Spirit Airlines
09 Dec - 15 Dec Spirit Airlines
03 Dec - 07 Dec Spirit Airlines
08 Dec - 11 Dec Spirit Airlines
08 Dec - 19 Dec Spirit Airlines
10 Dec - 11 Dec Spirit Airlines
03 Dec - 11 Dec Spirit Airlines
10 Dec - 19 Dec Spirit Airlines
03 Dec - 19 Dec Spirit Airlines
31 Dec - 07 Jan Spirit Airlines
30 Dec - 07 Jan Spirit Airlines
30 Dec - 06 Jan Spirit Airlines
28 Dec - 10 Jan Spirit Airlines
17 Dec - 07 Jan Spirit Airlines
24 Dec - 14 Jan Spirit Airlines
31 Dec - 05 Jan Spirit Airlines
24 Dec - 03 Jan Sun Country Airlines
24 Dec - 10 Jan Spirit Airlines
24 Dec - 12 Jan Spirit Airlines

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

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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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