Cheapest return flights from New York to San Juan in September from 108€

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

Return flights

26 Sep - 30 Sep Frontier Airlines direct
27 Sep - 30 Sep Frontier Airlines direct
20 Sep - 27 Sep Frontier Airlines direct
22 Sep - 26 Sep Frontier Airlines direct
23 Sep - 30 Sep Frontier Airlines direct
22 Sep - 27 Sep Frontier Airlines direct
24 Sep - 26 Sep Frontier Airlines direct
23 Sep - 27 Sep Frontier Airlines direct
23 Sep - 26 Sep Frontier Airlines direct
22 Sep - 30 Sep Frontier Airlines direct
27 Sep - 01 Oct Frontier Airlines direct
30 Sep - 04 Oct Frontier Airlines direct
26 Sep - 09 Oct Frontier Airlines direct
28 Sep - 01 Oct Frontier Airlines direct
22 Sep - 06 Oct Frontier Airlines direct
29 Sep - 03 Oct Frontier Airlines direct
24 Sep - 05 Oct Frontier Airlines direct
19 Sep - 03 Oct Frontier Airlines direct
20 Sep - 07 Oct Spirit Airlines
20 Sep - 06 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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