Cheapest return flights from New York to San Juan in December from $134

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

Return flights

03 Dec - 09 Dec Frontier Airlines direct
05 Dec - 12 Dec Frontier Airlines direct
03 Dec - 08 Dec Frontier Airlines direct
03 Dec - 06 Dec Frontier Airlines direct
05 Dec - 13 Dec Frontier Airlines direct
05 Dec - 09 Dec Frontier Airlines direct
11 Dec - 19 Dec jetBlue direct
05 Dec - 10 Dec Frontier Airlines direct
05 Dec - 08 Dec Frontier Airlines direct
05 Dec - 06 Dec Frontier Airlines direct
28 Dec - 03 Jan jetBlue direct
30 Dec - 13 Jan Frontier Airlines
12 Dec - 10 Jan Frontier Airlines direct
12 Dec - 12 Jan Frontier Airlines
12 Dec - 11 Jan Frontier Airlines
30 Dec - 10 Jan Frontier Airlines
31 Dec - 12 Jan Frontier Airlines
31 Dec - 12 Jan jetBlue direct
30 Dec - 10 Jan Frontier Airlines direct
11 Dec - 11 Jan Spirit Airlines

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

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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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