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 - 17 Sep	Arajet
05 Sep - 10 Sep	Avianca
25 Sep - 15 Oct	Arajet
05 Sep - 17 Sep	Avianca
10 Sep - 17 Sep	Avianca
12 Sep - 03 Oct	Avianca
04 Sep - 22 Sep	Arajet
25 Sep - 07 Oct	Arajet
04 Sep - 15 Sep	Arajet
13 Sep - 20 Sep	Avianca
25 Sep - 08 Oct	Arajet
21 Sep - 10 Oct	Avianca
08 Sep - 20 Sep	Avianca
26 Sep - 04 Oct	Avianca
27 Sep - 04 Oct	Avianca
06 Sep - 04 Oct	Avianca
19 Sep - 22 Sep	Avianca
20 Sep - 18 Oct	Avianca
13 Sep - 04 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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto

Cheapest return flights from Sao Paulo to Toronto in September from $520

Return flights