Cheapest one-way flights from New York to San Juan in January from 73€

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

22 Jan Frontier Airlines
18 Jan Frontier Airlines
10 Jan Frontier Airlines
10 Jan Frontier Airlines direct
12 Jan Frontier Airlines
13 Jan Spirit Airlines
28 Jan Frontier Airlines
21 Jan Spirit Airlines
27 Jan Frontier Airlines
20 Jan Spirit 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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