AirHint found the following cheapest return flights from Sao Paulo (GRU) to Toronto (YYZ) in September 2026 (see full year).

Return flights

16 Sep - 23 Sep	Copa
04 Sep - 18 Sep	Arajet
02 Sep - 09 Sep	Copa
23 Sep - 01 Oct	Copa
01 Sep - 11 Sep	Avianca
10 Sep - 17 Sep	Arajet
04 Sep - 20 Sep	Arajet
19 Sep - 22 Sep	Avianca
04 Sep - 26 Sep	GOL Linhas Aéreas
05 Sep - 19 Sep	Delta
02 Sep - 09 Sep	Air Canada	direct
23 Sep - 01 Oct	Air Canada	direct

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 $570

Return flights