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

Return flights

28 Oct - 05 Nov	United
27 Oct - 02 Nov	Avianca
01 Oct - 08 Oct	GOL Linhas Aéreas
14 Oct - 21 Oct	United
30 Oct - 06 Nov	United
01 Oct - 31 Oct	GOL Linhas Aéreas
25 Oct - 30 Oct	GOL Linhas Aéreas
22 Oct - 26 Oct	Avianca
06 Oct - 16 Oct	Avianca
08 Oct - 28 Oct	United
06 Oct - 13 Oct	Avianca
03 Oct - 31 Oct	GOL Linhas Aéreas
09 Oct - 15 Oct	United
28 Oct - 09 Nov	United
29 Oct - 09 Nov	United

Also check the deals for one-way flights from Toronto to Rio De Janeiro in October.

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 October from 373€

Return flights