AirHint found the following cheapest return flights from New York (JFK) to Rio Negro (MDE) in September 2025 (see full year).

Return flights

19 Sep - 22 Sep	Avianca
29 Sep - 02 Oct	Frontier Airlines
19 Sep - 26 Sep	Avianca
28 Sep - 23 Oct	jetBlue
29 Sep - 23 Oct	jetBlue
25 Sep - 01 Oct	Frontier Airlines
23 Sep - 26 Sep	Copa
27 Sep - 02 Oct	Frontier Airlines
27 Sep - 01 Oct	Frontier Airlines
28 Sep - 16 Oct	jetBlue
26 Sep - 01 Oct	jetBlue
23 Sep - 30 Sep	Frontier Airlines
23 Sep - 24 Sep	American Airlines
22 Sep - 26 Sep	American Airlines
22 Sep - 27 Sep	American Airlines
27 Sep - 30 Sep	American Airlines
22 Sep - 25 Sep	American Airlines
23 Sep - 27 Sep	Copa
30 Sep - 18 Oct	Copa
23 Sep - 01 Oct	Copa

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

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 Rio Negro in September from $93

Return flights