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

Return flights

09 Sep - 22 Sep	Avianca
04 Sep - 12 Sep	Avianca
12 Sep - 29 Sep	Avianca
10 Sep - 24 Sep	Avianca
22 Sep - 28 Oct	Avianca
29 Sep - 07 Oct	Avianca
02 Sep - 16 Sep	Copa
01 Sep - 22 Sep	Copa
17 Sep - 24 Sep	Copa
17 Sep - 23 Sep	Copa
18 Sep - 24 Sep	Copa
10 Sep - 21 Sep	Copa
19 Sep - 03 Oct	Copa
23 Sep - 28 Oct	Copa
11 Sep - 08 Oct	Copa
18 Sep - 08 Oct	Copa
30 Sep - 07 Oct	Copa
30 Sep - 06 Oct	Copa
23 Sep - 06 Oct	Copa
19 Sep - 01 Oct	Copa

Also check the deals for one-way flights from Sao Paulo to Los Angeles 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 Los Angeles in September from $459

Return flights