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

Return flights

19 Jan - 23 Jan	jetBlue	direct
08 Jan - 12 Jan	jetBlue	direct
12 Jan - 21 Jan	Delta	direct
21 Jan - 31 Jan	Delta	direct
11 Jan - 16 Jan	Delta	direct
24 Jan - 31 Jan	Delta	direct
02 Jan - 11 Jan	jetBlue	direct
17 Jan - 20 Jan	Delta	direct
06 Jan - 14 Jan	Delta	direct
07 Jan - 14 Jan	Delta	direct
30 Jan - 07 Feb	Delta	direct
29 Jan - 02 Feb	Delta	direct

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Cheapest return flights from New York to San Juan in January from 143€

Return flights