Cheapest return flights from New York to San Juan in December from 166€

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

Return flights

31 Dec - 10 Jan jetBlue
31 Dec - 10 Jan jetBlue direct
31 Dec - 08 Jan jetBlue
25 Dec - 27 Dec Frontier Airlines
31 Dec - 16 Jan Spirit Airlines direct
31 Dec - 14 Jan Spirit Airlines direct
31 Dec - 15 Jan Spirit Airlines direct
31 Dec - 08 Jan jetBlue direct
31 Dec - 07 Jan Frontier Airlines
28 Dec - 07 Jan Frontier Airlines
28 Dec - 08 Jan Frontier Airlines
25 Dec - 28 Dec Frontier Airlines
28 Dec - 31 Dec Frontier Airlines
31 Dec - 31 Dec Frontier Airlines
25 Dec - 29 Dec Frontier Airlines
25 Dec - 31 Dec Frontier Airlines
28 Dec - 31 Dec Frontier Airlines direct
25 Dec - 26 Dec Spirit Airlines direct
26 Dec - 28 Dec United direct
25 Dec - 27 Dec United 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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