Cheapest one-way flights from New York to San Juan in January from 42€

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
13 Jan United
24 Jan Spirit Airlines
09 Jan Spirit Airlines
08 Jan Frontier Airlines
10 Jan Frontier Airlines
06 Jan Frontier Airlines
28 Jan Spirit Airlines
10 Jan Frontier Airlines direct
29 Jan Spirit Airlines

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

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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