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

Return flights

15 Sep - 22 Sep	Avianca
04 Sep - 18 Sep	Spirit Airlines
22 Sep - 05 Oct	Avianca
12 Sep - 22 Sep	Avianca
12 Sep - 19 Sep	Avianca
16 Sep - 26 Sep	Spirit Airlines
03 Sep - 14 Sep	Spirit Airlines
17 Sep - 24 Sep	Avianca
05 Sep - 18 Sep	Avianca
11 Sep - 18 Sep	Avianca
06 Sep - 25 Sep	Avianca
30 Sep - 07 Oct	Avianca
23 Sep - 07 Oct	Avianca
11 Sep - 04 Oct	LATAM Airlines Group
06 Sep - 02 Oct	Copa
30 Sep - 04 Oct	Avianca
11 Sep - 04 Oct	LATAM Airlines Group	direct
30 Sep - 07 Oct	LATAM Airlines Group	direct
23 Sep - 07 Oct	LATAM Airlines Group	direct
22 Sep - 05 Oct	LATAM Airlines Group	direct

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 $516

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