AirHint found the following cheapest return flights from Montreal (YUL) to Sao Paulo (GRU) in August 2026 (see full year).

Return flights

12 Aug - 19 Aug	Copa
19 Aug - 26 Aug	Copa
26 Aug - 02 Sep	Copa
12 Aug - 26 Aug	Copa
21 Aug - 28 Aug	Arajet
05 Aug - 12 Aug	Copa
25 Aug - 01 Sep	LATAM Airlines Group
07 Aug - 14 Aug	Arajet
14 Aug - 21 Aug	Arajet
18 Aug - 25 Aug	Copa
27 Aug - 03 Sep	Copa
31 Aug - 07 Sep	Copa
23 Aug - 30 Aug	Copa
30 Aug - 06 Sep	Copa
20 Aug - 27 Aug	Copa
26 Aug - 02 Sep	Air Canada	direct

Also check the deals for one-way flights from Montreal to Sao Paulo 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 Sao Paulo in August from 504€

Return flights