Cheapest return flights from Philadelphia to San Jose in December from 169€

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

Return flights

09 Dec - 16 Dec Spirit Airlines
03 Dec - 16 Dec Spirit Airlines
09 Dec - 10 Dec Spirit Airlines
07 Dec - 13 Dec United
06 Dec - 09 Dec United
09 Dec - 23 Dec United
09 Dec - 11 Dec Spirit Airlines
14 Dec - 16 Dec Spirit Airlines
03 Dec - 10 Dec Spirit Airlines
03 Dec - 09 Dec Spirit Airlines
31 Dec - 20 Jan Spirit Airlines
31 Dec - 14 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 18 Jan Spirit Airlines
30 Dec - 20 Jan Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
30 Dec - 14 Jan Spirit Airlines
30 Dec - 17 Jan Spirit Airlines
30 Dec - 18 Jan Spirit Airlines
30 Dec - 11 Jan Frontier Airlines

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

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