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
11 Sep - 15 Oct	Arajet
11 Sep - 18 Sep	Air Canada	direct
11 Sep - 22 Sep	Air Canada	direct
11 Sep - 14 Sep	Air Canada	direct
11 Sep - 25 Sep	Air Canada	direct
16 Sep - 23 Sep	Air Canada	direct
18 Sep - 23 Sep	Air Canada
22 Sep - 29 Sep	Air Canada
11 Sep - 28 Sep	Air Canada	direct
30 Sep - 13 Oct	Air Canada	direct
20 Sep - 13 Oct	Air Canada
30 Sep - 08 Oct	Air Canada
11 Sep - 15 Oct	Air Canada	direct
20 Sep - 04 Oct	Air Canada
20 Sep - 05 Oct	Air Canada
20 Sep - 06 Oct	Air Canada
26 Sep - 31 Oct	Air Canada
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.

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Cheapest return flights from Sao Paulo to Toronto in September from 486€

Return flights