AirHint found the following cheapest return flights from Toronto (YYZ) to Rio De Janeiro (GIG) in September 2025 (see full year).

Return flights

16 Sep - 18 Sep	Copa
08 Sep - 18 Sep	Copa
17 Sep - 25 Sep	Copa
08 Sep - 17 Sep	Copa
08 Sep - 15 Sep	Copa
17 Sep - 01 Oct	Copa
16 Sep - 08 Oct	Copa
06 Sep - 11 Sep	Copa
08 Sep - 24 Sep	Copa
10 Sep - 17 Sep	Copa
10 Sep - 24 Sep	Copa
08 Sep - 16 Sep	Copa
17 Sep - 08 Oct	Copa
22 Sep - 08 Oct	GOL Linhas Aéreas
22 Sep - 09 Oct	GOL Linhas Aéreas
24 Sep - 21 Oct	GOL Linhas Aéreas
24 Sep - 22 Oct	Copa
12 Sep - 05 Oct	Copa
24 Sep - 08 Oct	Copa
21 Sep - 01 Oct	Copa

Also check the deals for one-way flights from Toronto to Rio De Janeiro 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 Toronto to Rio De Janeiro in September from $442

Return flights