Cheapest return flights from Newark to San Juan in December from 187€

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

Return flights

31 Dec - 10 Jan jetBlue direct
31 Dec - 16 Jan Spirit Airlines direct
30 Dec - 16 Jan Spirit Airlines direct
30 Dec - 15 Jan Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
30 Dec - 17 Jan Spirit Airlines
30 Dec - 15 Jan Spirit Airlines direct
31 Dec - 09 Jan Spirit Airlines direct
31 Dec - 17 Jan Spirit Airlines direct
30 Dec - 31 Dec Spirit Airlines
28 Dec - 30 Dec United direct
30 Dec - 31 Dec Spirit Airlines direct
28 Dec - 31 Dec United
28 Dec - 31 Dec jetBlue direct
29 Dec - 31 Dec Frontier Airlines
27 Dec - 31 Dec Frontier Airlines
29 Dec - 31 Dec United direct
27 Dec - 31 Dec United direct
27 Dec - 30 Dec Frontier Airlines

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

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