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

Return flights

15 Sep - 25 Oct	Arajet
25 Sep - 27 Sep	Avianca
11 Sep - 15 Sep	Avianca
15 Sep - 20 Sep	Arajet
15 Sep - 04 Oct	Arajet
24 Sep - 06 Oct	Avianca
28 Sep - 04 Oct	Arajet
17 Sep - 24 Sep	Avianca
12 Sep - 23 Sep	Avianca
12 Sep - 26 Sep	Avianca
11 Sep - 23 Sep	Avianca
16 Sep - 26 Sep	Avianca
20 Sep - 28 Sep	Avianca
12 Sep - 24 Sep	Avianca
22 Sep - 05 Oct	Avianca
25 Sep - 01 Oct	Avianca
29 Sep - 10 Oct	Avianca
20 Sep - 11 Oct	Avianca
30 Sep - 07 Oct	Avianca
28 Sep - 08 Oct	Avianca

Also check the deals for one-way flights from Sao Paulo to Miami 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 Miami in September from 343€

Return flights