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

Return flights

18 Sep - 15 Oct	Avianca
09 Sep - 16 Sep	Avianca
22 Sep - 30 Sep	Avianca
29 Sep - 20 Oct	Avianca
02 Sep - 09 Sep	LATAM Airlines Group
17 Sep - 24 Sep	LATAM Airlines Group
04 Sep - 11 Sep	Avianca
15 Sep - 01 Oct	LATAM Airlines Group
28 Sep - 04 Oct	Delta
09 Sep - 01 Oct	LATAM Airlines Group
30 Sep - 08 Oct	Delta
26 Sep - 04 Oct	Delta
22 Sep - 29 Sep	Delta
03 Sep - 09 Sep	LATAM Airlines Group
19 Sep - 22 Sep	LATAM Airlines Group
08 Sep - 15 Sep	Avianca
10 Sep - 15 Sep	Delta

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 456€

Return flights