AirHint found the following cheapest return flights from New York (NYC) to San Juan (SJU) in January 2026 (see full year).

Return flights

27 Jan - 27 Jan	United
12 Jan - 30 Jan	jetBlue	direct
20 Jan - 27 Jan	United	direct
12 Jan - 15 Jan	United	direct
21 Jan - 27 Jan	United	direct
25 Jan - 29 Jan	United	direct
27 Jan - 03 Feb	United	direct
25 Jan - 04 Feb	jetBlue	direct
25 Jan - 03 Feb	jetBlue	direct
26 Jan - 03 Feb	jetBlue	direct
13 Jan - 16 Jan	United
18 Jan - 22 Jan	United
20 Jan - 24 Jan	Frontier Airlines	direct
31 Jan - 11 Feb	jetBlue	direct
13 Jan - 20 Jan	United
26 Jan - 02 Feb	United	direct
28 Jan - 04 Feb	United	direct
29 Jan - 06 Feb	Frontier Airlines	direct
29 Jan - 05 Feb	United
28 Jan - 01 Feb	Frontier Airlines

Also check the deals for one-way flights from New York to San Juan in January.

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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Cheapest return flights from New York to San Juan in January from 101€

Return flights