Cheapest return flights from Newark to Sao Paulo in September from $530

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

Return flights

16 Sep - 30 Sep Spirit Airlines
03 Sep - 09 Sep Spirit Airlines
11 Sep - 24 Sep Spirit Airlines
05 Sep - 09 Sep Spirit Airlines
07 Sep - 14 Sep Spirit Airlines
17 Sep - 01 Oct Spirit Airlines
30 Sep - 19 Oct Spirit Airlines
17 Sep - 23 Sep Spirit Airlines
07 Sep - 11 Sep Spirit Airlines
05 Sep - 11 Sep Spirit Airlines
04 Sep - 09 Sep Spirit Airlines
11 Sep - 18 Sep Spirit Airlines
24 Sep - 01 Oct Spirit Airlines
29 Sep - 04 Oct Spirit Airlines
18 Sep - 16 Oct United
26 Sep - 13 Oct Spirit Airlines
25 Sep - 01 Oct Spirit Airlines
20 Sep - 04 Oct Spirit Airlines
28 Sep - 04 Oct Spirit Airlines
30 Sep - 14 Oct United

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

Skyscanner

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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