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

Return flights

26 Aug - 02 Sep	Copa
21 Aug - 28 Aug	Arajet
15 Aug - 22 Aug	Delta
04 Aug - 02 Sep	Delta
25 Aug - 01 Sep	LATAM Airlines Group
12 Aug - 19 Aug	Air Canada
07 Aug - 14 Aug	Arajet
14 Aug - 21 Aug	Arajet
19 Aug - 26 Aug	Copa
31 Aug - 07 Sep	Copa
23 Aug - 30 Aug	Copa
27 Aug - 03 Sep	Avianca
03 Aug - 10 Aug	Arajet
10 Aug - 17 Aug	Arajet
24 Aug - 31 Aug	Copa
28 Aug - 04 Sep	Copa
26 Aug - 02 Sep	Air Canada	direct
04 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 $586

Return flights