Cheapest return flights from Newark to San Jose in December from $210

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

Return flights

06 Dec - 11 Dec Spirit Airlines
06 Dec - 09 Dec Spirit Airlines
06 Dec - 13 Dec Spirit Airlines
06 Dec - 17 Dec Spirit Airlines
06 Dec - 16 Dec Spirit Airlines
05 Dec - 11 Dec Spirit Airlines
05 Dec - 09 Dec Spirit Airlines
05 Dec - 13 Dec Spirit Airlines
07 Dec - 11 Dec Spirit Airlines
07 Dec - 09 Dec Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
31 Dec - 14 Jan Spirit Airlines
15 Dec - 14 Jan Spirit Airlines
31 Dec - 08 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
31 Dec - 10 Jan Spirit Airlines
30 Dec - 13 Jan Spirit Airlines
30 Dec - 14 Jan Spirit Airlines

Also check the deals for one-way flights from Newark to San Jose in December.

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