AirHint found the following cheapest return flights from Montreal (YUL) to Rio De Janeiro (GIG) in October 2026 (see full year).

Return flights

07 Oct - 14 Oct	GOL Linhas Aéreas
09 Oct - 16 Oct	GOL Linhas Aéreas
11 Oct - 18 Oct	GOL Linhas Aéreas
12 Oct - 19 Oct	Avianca
18 Oct - 25 Oct	GOL Linhas Aéreas
19 Oct - 26 Oct	GOL Linhas Aéreas
25 Oct - 01 Nov	Avianca
26 Oct - 02 Nov	Avianca
05 Oct - 12 Oct	Avianca
25 Oct - 31 Oct	Avianca
29 Oct - 05 Nov	Copa
01 Oct - 08 Oct	Copa
22 Oct - 29 Oct	Copa
27 Oct - 03 Nov	Copa
31 Oct - 07 Nov	Avianca

Also check the deals for one-way flights from Montreal 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 Montreal to Rio De Janeiro in October from $509

Return flights