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

Return flights

08 Sep - 18 Sep	Avianca
16 Sep - 23 Sep	LATAM Airlines Group
08 Sep - 15 Sep	Avianca
15 Sep - 20 Sep	LATAM Airlines Group
05 Sep - 11 Sep	Avianca
01 Sep - 04 Sep	LATAM Airlines Group
19 Sep - 29 Sep	Avianca
17 Sep - 24 Sep	Avianca
17 Sep - 26 Sep	Avianca
01 Sep - 08 Sep	LATAM Airlines Group
09 Sep - 01 Oct	Avianca
30 Sep - 05 Oct	American Airlines
28 Sep - 04 Oct	LATAM Airlines Group
30 Sep - 04 Oct	Avianca
29 Sep - 06 Oct	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.

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Cheapest return flights from New York to Rio De Janeiro in September from $669

Return flights