Cheapest one-way flights from New York to San Juan in December from 64€

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

04 Dec Frontier Airlines
10 Dec Spirit Airlines
03 Dec Frontier Airlines
31 Dec Spirit Airlines
09 Dec United
06 Dec Frontier Airlines
07 Dec Spirit Airlines
13 Dec Spirit Airlines
05 Dec Spirit Airlines
11 Dec Spirit Airlines

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

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.