Cheapest return flights from New York to San Juan in December from $158

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

Return flights

07 Dec - 11 Dec Frontier Airlines direct
13 Dec - 18 Dec Frontier Airlines
09 Dec - 13 Dec Frontier Airlines direct
13 Dec - 18 Dec Frontier Airlines direct
04 Dec - 07 Dec Frontier Airlines
07 Dec - 13 Dec Frontier Airlines direct
04 Dec - 07 Dec Frontier Airlines direct
11 Dec - 18 Dec Frontier Airlines
20 Dec - 27 Dec jetBlue direct
02 Dec - 06 Dec United direct
30 Dec - 07 Jan jetBlue
27 Dec - 09 Jan Delta direct
28 Dec - 01 Jan jetBlue direct
25 Dec - 01 Jan Frontier Airlines
26 Dec - 08 Jan Delta direct
31 Dec - 04 Jan jetBlue direct
29 Dec - 04 Jan jetBlue direct
28 Dec - 05 Jan Delta direct
22 Dec - 05 Jan Frontier Airlines
27 Dec - 05 Jan Delta direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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