Cheapest one-way flights from Philadelphia to San Jose in December from $90

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

One-Way flights

08 Dec Spirit Airlines
03 Dec Spirit Airlines
04 Dec Spirit Airlines
10 Dec Spirit Airlines
14 Dec Spirit Airlines
13 Dec Spirit Airlines
22 Dec Frontier Airlines
27 Dec Spirit Airlines
24 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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