Cheapest one-way flights from New York to San Juan in December from $84

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

03 Dec Frontier Airlines direct
05 Dec Frontier Airlines direct
31 Dec jetBlue direct
08 Dec Frontier Airlines direct
06 Dec Frontier Airlines direct
10 Dec Frontier Airlines direct
07 Dec Frontier Airlines direct
09 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
04 Dec Frontier Airlines direct

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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