Cheapest return flights from San Juan to New York in September from $155

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

Return flights

05 Sep - 15 Sep Frontier Airlines direct
05 Sep - 14 Sep Frontier Airlines direct
12 Sep - 14 Sep Frontier Airlines direct
25 Sep - 28 Sep Frontier Airlines direct
06 Sep - 07 Sep Frontier Airlines direct
13 Sep - 17 Sep Frontier Airlines direct
03 Sep - 15 Sep Frontier Airlines direct

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