Cheapest return flights from San Juan to Newark in December from $107

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

Return flights

08 Dec - 15 Dec Frontier Airlines direct
05 Dec - 10 Dec jetBlue direct
06 Dec - 10 Dec Spirit Airlines
03 Dec - 06 Dec Frontier Airlines
06 Dec - 10 Dec Frontier Airlines direct
10 Dec - 13 Dec Frontier Airlines
02 Dec - 10 Dec jetBlue direct
04 Dec - 10 Dec Spirit Airlines
04 Dec - 10 Dec jetBlue direct
05 Dec - 08 Dec jetBlue direct
24 Dec - 03 Jan Frontier Airlines direct
25 Dec - 01 Jan jetBlue direct
23 Dec - 04 Jan United direct
12 Dec - 01 Jan Spirit Airlines
15 Dec - 05 Jan Spirit Airlines
15 Dec - 01 Jan Spirit Airlines
22 Dec - 13 Jan United
12 Dec - 02 Jan Spirit Airlines
15 Dec - 03 Jan Spirit Airlines
15 Dec - 02 Jan Spirit Airlines

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

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