AirHint found the following cheapest return flights from New York (JFK) to Sao Paulo (GRU) in September 2025 (see full year).

Return flights

18 Sep - 30 Sep	Avianca
20 Sep - 29 Sep	Avianca
09 Sep - 15 Sep	Avianca
07 Sep - 28 Sep	LATAM Airlines Group
01 Sep - 30 Sep	Copa
04 Sep - 25 Sep	Copa
11 Sep - 18 Sep	Copa
18 Sep - 25 Sep	Copa
17 Sep - 23 Sep	Copa
01 Sep - 07 Sep	Frontier Airlines
06 Sep - 02 Oct	Copa
25 Sep - 06 Oct	LATAM Airlines Group
10 Sep - 08 Oct	LATAM Airlines Group
19 Sep - 08 Oct	LATAM Airlines Group
11 Sep - 04 Oct	Delta	direct
10 Sep - 08 Oct	Delta	direct
19 Sep - 08 Oct	Delta	direct
25 Sep - 06 Oct	Delta	direct
19 Sep - 03 Oct	LATAM Airlines Group
10 Sep - 03 Oct	LATAM Airlines Group

Also check the deals for one-way flights from New York to Sao Paulo 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 Sao Paulo in September from 466€

Return flights