Cheapest one-way flights from New York to San Juan in December from 72€

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

One-Way flights

09 Dec Frontier Airlines direct
10 Dec Frontier Airlines direct
11 Dec Frontier Airlines
19 Dec jetBlue direct
14 Dec Frontier Airlines
13 Dec American Airlines
17 Dec Frontier Airlines
14 Dec Frontier Airlines direct
30 Dec Frontier Airlines
22 Dec Frontier 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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