Cheapest one-way flights from Newark to San Jose in December from $108

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

One-Way flights

03 Dec Spirit Airlines
04 Dec Spirit Airlines
09 Dec Spirit Airlines
08 Dec Spirit Airlines
07 Dec Spirit Airlines
02 Dec Arajet
31 Dec American Airlines
31 Dec United direct
02 Dec United direct
06 Dec United direct

Also check the deals for return flights from Newark 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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