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

Return flights

22 Apr - 29 Apr	jetBlue
18 Apr - 22 Apr	jetBlue
25 Apr - 01 May	jetBlue
12 Apr - 19 Apr	jetBlue
23 Apr - 29 Apr	jetBlue
11 Apr - 18 Apr	jetBlue
16 Apr - 20 Apr	jetBlue
23 Apr - 26 Apr	jetBlue
02 Apr - 07 Apr	American Airlines
04 Apr - 07 Apr	United
03 Apr - 05 Apr	jetBlue

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

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 April from $313

Return flights