Cheapest return flights from New York to San Juan in September from 97€

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

Return flights

21 Sep - 06 Oct Frontier Airlines direct
28 Sep - 30 Sep Frontier Airlines direct
17 Sep - 19 Sep Frontier Airlines direct
16 Sep - 30 Sep Frontier Airlines direct
21 Sep - 30 Sep Frontier Airlines direct
29 Sep - 30 Sep Frontier Airlines direct
28 Sep - 04 Oct Frontier Airlines direct
30 Sep - 06 Oct Frontier Airlines direct
30 Sep - 08 Oct Frontier Airlines direct
29 Sep - 02 Oct Frontier Airlines direct
29 Sep - 06 Oct Frontier Airlines direct
29 Sep - 03 Oct Frontier Airlines direct
28 Sep - 03 Oct Frontier Airlines direct
27 Sep - 01 Oct Frontier Airlines direct
21 Sep - 23 Sep Frontier Airlines direct
17 Sep - 24 Sep Frontier Airlines direct
24 Sep - 30 Sep Frontier Airlines direct
21 Sep - 27 Sep Frontier Airlines direct
21 Sep - 25 Sep Frontier Airlines direct
24 Sep - 01 Oct Frontier Airlines direct

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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