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

Return flights

11 Sep - 17 Sep	Arajet
11 Sep - 20 Sep	Arajet
22 Sep - 22 Oct	Avianca
15 Sep - 17 Sep	Avianca
16 Sep - 13 Oct	Avianca
14 Sep - 17 Sep	Avianca
12 Sep - 03 Oct	Avianca
28 Sep - 03 Oct	Avianca
30 Sep - 13 Oct	Avianca
04 Sep - 17 Sep	Avianca
27 Sep - 26 Oct	Avianca
29 Sep - 06 Oct	Avianca
10 Sep - 17 Sep	Avianca
24 Sep - 28 Oct	Avianca
11 Sep - 24 Sep	Arajet
17 Sep - 23 Sep	Avianca
17 Sep - 21 Sep	Avianca
12 Sep - 12 Oct	Avianca
30 Sep - 30 Oct	Avianca
15 Sep - 28 Sep	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 445€

Return flights