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

Return flights

18 Sep - 22 Sep	United
19 Sep - 25 Sep	Delta
30 Sep - 31 Oct	LATAM Airlines Group
30 Sep - 03 Oct	LATAM Airlines Group
26 Sep - 30 Sep	GOL Linhas Aéreas
21 Sep - 16 Oct	United
26 Sep - 24 Oct	Porter Airlines (Canada) Ltd
27 Sep - 24 Oct	Flair Airlines
27 Sep - 04 Oct	Flair Airlines
25 Sep - 28 Sep	GOL Linhas Aéreas
20 Sep - 27 Sep	Flair Airlines
21 Sep - 28 Sep	Flair Airlines
22 Sep - 06 Oct	Copa
21 Sep - 05 Oct	United
27 Sep - 05 Oct	Flair Airlines
20 Sep - 03 Oct	Flair Airlines

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 374€

Return flights