Cheapest return flights from New York to San Juan in December from $515

Best time to book flights for New York (LGA) to San Juan (SJU) flights at AirHint

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

Return flights

29 Dec - 08 Jan American Airlines
01 Dec - 08 Dec jetBlue
30 Dec - 06 Jan United
23 Dec - 30 Dec American Airlines
25 Dec - 02 Jan American Airlines
12 Dec - 21 Dec Porter Airlines (Canada) Ltd
26 Dec - 04 Jan Air Canada
26 Dec - 03 Jan jetBlue
22 Dec - 29 Dec Lufthansa

Also check the deals for one-way 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan