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

Return flights

04 Sep - 10 Sep	Arajet
04 Sep - 03 Oct	Arajet
25 Sep - 15 Oct	Arajet
11 Sep - 20 Sep	Arajet
25 Sep - 04 Oct	Arajet
10 Sep - 17 Sep	Avianca
05 Sep - 17 Sep	Avianca
04 Sep - 17 Sep	Avianca
03 Sep - 13 Sep	Avianca
08 Sep - 17 Sep	Avianca
11 Sep - 22 Sep	Arajet
11 Sep - 25 Sep	Arajet
09 Sep - 31 Oct	Avianca
08 Sep - 15 Sep	Azul Airlines
25 Sep - 07 Oct	Arajet
08 Sep - 31 Oct	Avianca
12 Sep - 03 Oct	Avianca
20 Sep - 03 Oct	Avianca
19 Sep - 03 Oct	Avianca
21 Sep - 10 Oct	Avianca

Also check the deals for one-way flights from Sao Paulo to Toronto 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 Toronto in September from 443€

Return flights