Cheapest one-way flights from New York to San Juan in December from $99

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

One-Way flights

08 Dec Spirit Airlines
06 Dec Spirit Airlines
05 Dec Spirit Airlines
04 Dec Frontier Airlines
10 Dec Frontier Airlines
11 Dec Frontier Airlines
12 Dec Frontier Airlines
16 Dec Frontier Airlines
07 Dec Spirit Airlines
02 Dec Spirit Airlines

Also check the deals for return flights from New York to San Juan in December.

Skyscanner

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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