Cheapest return flights from New York to San Juan in December from $198

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

Return flights

06 Dec - 08 Dec Spirit Airlines
06 Dec - 09 Dec Spirit Airlines
05 Dec - 08 Dec Spirit Airlines
06 Dec - 17 Dec Spirit Airlines
03 Dec - 08 Dec Frontier Airlines
04 Dec - 08 Dec Frontier Airlines
08 Dec - 13 Dec Spirit Airlines
06 Dec - 06 Dec Spirit Airlines
06 Dec - 10 Dec Spirit Airlines
04 Dec - 06 Dec Spirit Airlines
31 Dec - 13 Jan United
31 Dec - 20 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
31 Dec - 14 Jan Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
31 Dec - 19 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines

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.

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