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

Return flights

24 Sep - 07 Oct	Avianca
24 Sep - 06 Oct	GOL Linhas Aéreas
22 Sep - 30 Sep	GOL Linhas Aéreas
24 Sep - 01 Oct	Avianca
24 Sep - 30 Sep	Avianca
21 Sep - 01 Oct	GOL Linhas Aéreas
19 Sep - 23 Sep	GOL Linhas Aéreas
16 Sep - 23 Sep	GOL Linhas Aéreas
24 Sep - 28 Sep	Avianca
18 Sep - 25 Sep	Avianca
22 Sep - 28 Sep	GOL Linhas Aéreas
28 Sep - 05 Oct	GOL Linhas Aéreas
22 Sep - 29 Sep	GOL Linhas Aéreas
23 Sep - 21 Oct	Air Canada
25 Sep - 01 Oct	Avianca
20 Sep - 27 Sep	Delta
18 Sep - 29 Sep	Avianca
22 Sep - 07 Oct	Avianca
26 Sep - 03 Oct	Avianca
23 Sep - 16 Oct	Avianca

Also check the deals for one-way flights from Sao Paulo to Newark 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 Sao Paulo to Newark in September from $547

Return flights