Cheapest return flights from New York to San Juan in December from 197€

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

Return flights

31 Dec - 10 Jan jetBlue
28 Dec - 08 Jan jetBlue
30 Dec - 15 Jan Frontier Airlines
30 Dec - 08 Jan Frontier Airlines
31 Dec - 09 Jan Frontier Airlines
30 Dec - 15 Jan Frontier Airlines direct
28 Dec - 08 Jan jetBlue direct
31 Dec - 07 Jan Frontier Airlines
30 Dec - 08 Jan Frontier Airlines direct
28 Dec - 07 Jan Frontier Airlines
27 Dec - 29 Dec Delta direct
30 Dec - 31 Dec jetBlue direct
28 Dec - 30 Dec Frontier Airlines direct
28 Dec - 31 Dec jetBlue direct
27 Dec - 31 Dec Delta direct
27 Dec - 30 Dec Frontier Airlines direct
29 Dec - 31 Dec Frontier Airlines
29 Dec - 31 Dec Frontier Airlines direct
29 Dec - 29 Dec Frontier Airlines
29 Dec - 29 Dec Delta direct

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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