Cheapest return flights from Newark to San Jose in December from $429

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

11 Dec - 16 Dec American Airlines
03 Dec - 22 Dec Arajet
05 Dec - 22 Dec Arajet
24 Dec - 31 Dec Arajet
25 Dec - 31 Dec Volaris El Salvador
04 Dec - 22 Dec Delta
05 Dec - 21 Dec United
19 Dec - 25 Dec Porter Airlines (Canada) Ltd
21 Dec - 03 Jan Breeze Airways
17 Dec - 06 Jan jetBlue
20 Dec - 29 Dec Arajet
21 Dec - 26 Dec jetBlue
18 Dec - 02 Jan Aeromexico
25 Dec - 01 Jan Volaris El Salvador
21 Dec - 02 Jan Breeze Airways
27 Dec - 02 Jan Aeromexico
25 Dec - 02 Jan Aeromexico
26 Dec - 04 Jan Aeromexico
20 Dec - 02 Jan Aeromexico
19 Dec - 04 Jan Aeromexico

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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