Cheapest return flights from New York to San Juan in December from $147

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

Return flights

09 Dec - 13 Dec Frontier Airlines
03 Dec - 10 Dec Frontier Airlines direct
03 Dec - 09 Dec Frontier Airlines direct
06 Dec - 09 Dec Frontier Airlines direct
06 Dec - 13 Dec Frontier Airlines direct
11 Dec - 13 Dec Frontier Airlines direct
11 Dec - 21 Dec Frontier Airlines direct
12 Dec - 16 Dec Frontier Airlines direct
09 Dec - 13 Dec Frontier Airlines direct
03 Dec - 08 Dec Frontier Airlines direct
13 Dec - 02 Jan jetBlue direct
31 Dec - 08 Jan jetBlue direct
31 Dec - 06 Jan jetBlue
30 Dec - 13 Jan jetBlue direct
18 Dec - 20 Jan Frontier Airlines
30 Dec - 17 Jan jetBlue direct
29 Dec - 06 Jan jetBlue
31 Dec - 06 Jan jetBlue direct
24 Dec - 09 Jan Frontier Airlines
19 Dec - 09 Jan Frontier Airlines 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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