Cheapest one-way flights from New York to San Juan in January from 74€

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

03 Jan Frontier Airlines direct
01 Jan Frontier Airlines
12 Jan United
20 Jan United
18 Jan United
26 Jan Spirit Airlines
14 Jan American Airlines
30 Jan Frontier Airlines
06 Jan Frontier Airlines
10 Jan Frontier Airlines direct

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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