Cheapest return flights from Newark to San Jose in December from $317

Best time to book flights for Newark (EWR) to San Jose (SJO) flights at AirHint

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

Return flights

06 Dec - 15 Dec Delta
24 Dec - 31 Dec Arajet
04 Dec - 09 Dec American Airlines
04 Dec - 21 Dec American Airlines
03 Dec - 13 Dec American Airlines
04 Dec - 08 Dec Delta
04 Dec - 07 Dec United direct
04 Dec - 21 Dec United direct
04 Dec - 09 Dec United direct
04 Dec - 08 Dec United direct
30 Dec - 15 Jan United
31 Dec - 09 Jan United
29 Dec - 02 Jan Arajet
27 Dec - 13 Jan United
23 Dec - 14 Jan United
26 Dec - 13 Jan United
26 Dec - 16 Jan United direct
27 Dec - 06 Jan United direct
29 Dec - 02 Jan United direct
27 Dec - 03 Jan United direct

Also check the deals for one-way 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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