Cheapest one-way flights from New York to San Juan in December from 73€

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

One-Way flights

11 Dec Spirit Airlines
31 Dec Spirit Airlines direct
10 Dec Frontier Airlines
13 Dec Spirit Airlines
07 Dec Frontier Airlines direct
08 Dec Frontier Airlines direct
30 Dec Frontier Airlines
10 Dec United direct
14 Dec Frontier Airlines
16 Dec Spirit Airlines

Also check the deals for return 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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