Cheapest one-way flights from New York to San Juan in January from 38€

AirHint found the following cheapest one-way flights from New York (LGA) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

10 Jan Frontier Airlines direct
20 Jan Spirit Airlines
03 Jan Frontier Airlines direct
17 Jan Spirit Airlines
31 Jan Frontier Airlines
28 Jan Frontier Airlines
27 Jan Frontier Airlines
24 Jan Frontier Airlines
22 Jan Frontier Airlines
07 Jan Frontier Airlines

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

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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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