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

Return flights

08 Oct - 28 Oct	Copa
06 Oct - 16 Oct	Copa
29 Oct - 02 Nov	United
27 Oct - 03 Nov	Avianca
13 Oct - 20 Oct	Avianca
29 Oct - 07 Nov	United
29 Oct - 03 Nov	United
06 Oct - 20 Oct	Copa
05 Oct - 10 Oct	Copa
05 Oct - 15 Oct	Copa
15 Oct - 22 Oct	Copa
30 Oct - 07 Nov	Copa
07 Oct - 13 Oct	Copa
01 Oct - 31 Oct	GOL Linhas Aéreas
05 Oct - 13 Oct	Delta
31 Oct - 07 Nov	GOL Linhas Aéreas
24 Oct - 01 Nov	GOL Linhas Aéreas
31 Oct - 08 Nov	GOL Linhas Aéreas

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 403€

Return flights