AirHint found the following cheapest return flights from Montreal (YUL) to Rio De Janeiro (GIG) in August 2025 (see full year).

Return flights

29 Aug - 05 Sep	Copa
25 Aug - 01 Sep	Copa
28 Aug - 04 Sep	Copa
24 Aug - 01 Sep	Copa
27 Aug - 03 Sep	GOL Linhas Aéreas
20 Aug - 27 Aug	LATAM Airlines Group
26 Aug - 01 Sep	Copa
31 Aug - 07 Sep	Copa
22 Aug - 29 Aug	GOL Linhas Aéreas
23 Aug - 27 Aug	Avianca
22 Aug - 26 Aug	GOL Linhas Aéreas
18 Aug - 25 Aug	LATAM Airlines Group
20 Aug - 26 Aug	LATAM Airlines Group
19 Aug - 26 Aug	Copa
24 Aug - 31 Aug	GOL Linhas Aéreas
21 Aug - 28 Aug	Copa
23 Aug - 30 Aug	Copa

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

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 August from 489€

Return flights