Cheapest return flights from New York to San Juan in December from 105€

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

Return flights

07 Dec - 16 Dec Frontier Airlines direct
12 Dec - 16 Dec Frontier Airlines direct
12 Dec - 17 Dec Frontier Airlines direct
12 Dec - 19 Dec Frontier Airlines direct
12 Dec - 20 Dec Frontier Airlines direct
10 Dec - 17 Dec Frontier Airlines direct
10 Dec - 16 Dec Frontier Airlines direct
11 Dec - 17 Dec Frontier Airlines
11 Dec - 18 Dec Frontier Airlines
08 Dec - 15 Dec Frontier Airlines direct
29 Dec - 10 Jan Frontier Airlines
30 Dec - 11 Jan Frontier Airlines
29 Dec - 11 Jan Frontier Airlines
31 Dec - 07 Jan Frontier Airlines
30 Dec - 09 Jan Frontier Airlines
30 Dec - 07 Jan Frontier Airlines
28 Dec - 12 Jan Frontier Airlines
30 Dec - 08 Jan Frontier Airlines
31 Dec - 01 Jan Frontier Airlines
30 Dec - 01 Jan Frontier Airlines

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

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