Cheapest return flights from Newark to San Juan in December from 117€

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

Return flights

13 Dec - 19 Dec Spirit Airlines
12 Dec - 19 Dec Spirit Airlines
12 Dec - 17 Dec Spirit Airlines
10 Dec - 17 Dec Frontier Airlines direct
13 Dec - 17 Dec Spirit Airlines
09 Dec - 19 Dec Spirit Airlines
03 Dec - 08 Dec Frontier Airlines direct
10 Dec - 24 Dec Spirit Airlines
07 Dec - 08 Dec Spirit Airlines
10 Dec - 13 Dec Frontier Airlines direct
19 Dec - 28 Jan Frontier Airlines direct
12 Dec - 17 Jan Spirit Airlines
12 Dec - 09 Jan Spirit Airlines
31 Dec - 11 Jan Spirit Airlines direct
31 Dec - 13 Jan United direct
29 Dec - 09 Jan Spirit Airlines direct
31 Dec - 17 Jan Spirit Airlines
31 Dec - 20 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines

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

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