Cheapest return flights from New York to San Juan in September from $188

AirHint found the following cheapest return flights from New York (LGA) to San Juan (SJU) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct Spirit Airlines
17 Sep - 07 Oct Spirit Airlines
18 Sep - 07 Oct Spirit Airlines
27 Sep - 07 Oct Spirit Airlines
25 Sep - 07 Oct Spirit Airlines
15 Sep - 18 Sep Spirit Airlines
15 Sep - 19 Sep Spirit Airlines
17 Sep - 19 Sep Spirit Airlines
19 Sep - 07 Oct Spirit Airlines
18 Sep - 19 Sep Spirit Airlines
30 Sep - 03 Oct Spirit Airlines
17 Sep - 24 Sep Spirit Airlines
16 Sep - 08 Oct Spirit Airlines
16 Sep - 20 Sep Spirit Airlines
16 Sep - 24 Sep Spirit Airlines
15 Sep - 20 Sep Spirit Airlines
17 Sep - 20 Sep Spirit Airlines
18 Sep - 20 Sep Spirit Airlines
30 Sep - 02 Oct Spirit Airlines
25 Sep - 01 Oct Spirit Airlines

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

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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