AirHint found the following cheapest return flights from New York (NYC) to Rio De Janeiro (GIG) in September 2025 (see full year).

Return flights

30 Sep - 06 Oct	Copa
18 Sep - 21 Sep	United
16 Sep - 19 Sep	United
21 Sep - 23 Sep	United
24 Sep - 07 Oct	United
24 Sep - 14 Oct	United
25 Sep - 30 Sep	United
28 Sep - 02 Oct	Copa
22 Sep - 25 Sep	United
29 Sep - 15 Oct	Avianca
22 Sep - 28 Sep	Spirit Airlines
28 Sep - 05 Oct	Copa
19 Sep - 26 Sep	Frontier Airlines
22 Sep - 26 Sep	LATAM Airlines Group
20 Sep - 28 Sep	Frontier Airlines
27 Sep - 02 Oct	United
25 Sep - 02 Oct	Delta
22 Sep - 22 Sep	Avianca

Also check the deals for one-way flights from New York to Rio De Janeiro 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.

Book a cheap hotel in Rio De Janeiro

Cheap car rent in Rio De Janeiro

Cheapest return flights from New York to Rio De Janeiro in September from 481€

Return flights