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

Return flights

05 Aug - 12 Aug	Copa
04 Aug - 11 Aug	Copa
03 Aug - 10 Aug	Copa
17 Aug - 24 Aug	Avianca
19 Aug - 26 Aug	Avianca
21 Aug - 28 Aug	Avianca
23 Aug - 30 Aug	Avianca
12 Aug - 19 Aug	Avianca
14 Aug - 21 Aug	Avianca
16 Aug - 23 Aug	Avianca
26 Aug - 02 Sep	Avianca
28 Aug - 04 Sep	Avianca
30 Aug - 06 Sep	Avianca
26 Aug - 02 Sep	Air Canada	direct
25 Aug - 01 Sep	Air Canada
27 Aug - 03 Sep	Air Canada
29 Aug - 05 Sep	Air Canada

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 513€

Return flights