Cheapest return flights from Newark to Sao Paulo in September from $518

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

Return flights

10 Sep - 17 Sep Spirit Airlines
15 Sep - 22 Sep Spirit Airlines
29 Sep - 06 Oct Spirit Airlines
04 Sep - 07 Sep Spirit Airlines
03 Sep - 14 Sep Spirit Airlines
02 Sep - 07 Sep Spirit Airlines
04 Sep - 14 Sep Spirit Airlines
05 Sep - 08 Sep Spirit Airlines
29 Sep - 13 Oct Frontier Airlines
08 Sep - 10 Sep Spirit Airlines
30 Sep - 08 Oct Spirit Airlines
11 Sep - 18 Sep Spirit Airlines
04 Sep - 08 Sep Spirit Airlines
06 Sep - 02 Oct Spirit Airlines
30 Sep - 15 Oct Spirit Airlines
26 Sep - 13 Oct Spirit Airlines
10 Sep - 08 Oct Delta
26 Sep - 13 Oct United direct
10 Sep - 09 Oct United
30 Sep - 06 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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Feel free to contact us with any feedback or request another flight research.