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

Return flights

08 Sep - 23 Sep	Copa
15 Sep - 18 Sep	Copa
02 Sep - 19 Sep	LATAM Airlines Group
12 Sep - 22 Sep	GOL Linhas Aéreas
10 Sep - 17 Sep	Delta
06 Sep - 16 Sep	LATAM Airlines Group
02 Sep - 12 Sep	GOL Linhas Aéreas
04 Sep - 14 Sep	GOL Linhas Aéreas
08 Sep - 18 Sep	GOL Linhas Aéreas
16 Sep - 26 Sep	GOL Linhas Aéreas
28 Sep - 08 Oct	LATAM Airlines Group
22 Sep - 02 Oct	Copa
26 Sep - 06 Oct	LATAM Airlines Group
24 Sep - 04 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Las Vegas 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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from Las Vegas to Sao Paulo in September from $509

Return flights