Cheapest one-way flights from Philadelphia to San Jose in December from $109

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

One-Way flights

10 Dec jetBlue
03 Dec Spirit Airlines
06 Dec Spirit Airlines
04 Dec Spirit Airlines
09 Dec Spirit Airlines
31 Dec Spirit Airlines
27 Dec Copa
12 Dec Spirit Airlines
30 Dec Spirit Airlines
01 Dec Spirit Airlines

Also check the deals for return flights from Philadelphia to San Jose in December.

Skyscanner

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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