Cheapest one-way flights from Newark to San Jose in December from 89€

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

One-Way flights

07 Dec American Airlines
08 Dec Delta
08 Dec United direct
16 Dec Spirit Airlines
11 Dec United direct
12 Dec United
10 Dec Spirit Airlines
14 Dec Spirit Airlines
09 Dec United direct
07 Dec United direct

Also check the deals for return flights from Newark 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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