AirHint found the following cheapest return flights from Toronto (YYZ) to Sao Paulo (GRU) in August 2025 (see full year).

Return flights

12 Aug - 15 Aug	Arajet
19 Aug - 20 Sep	Arajet
19 Aug - 30 Sep	Copa
12 Aug - 19 Aug	Arajet
07 Aug - 14 Aug	Delta
11 Aug - 18 Aug	Delta
13 Aug - 20 Aug	Delta
19 Aug - 27 Aug	Delta
19 Aug - 25 Aug	Delta
14 Aug - 02 Sep	Delta
11 Aug - 10 Sep	Delta
25 Aug - 08 Sep	Delta
12 Aug - 22 Aug	Arajet
12 Aug - 29 Aug	LATAM Airlines Group
29 Aug - 29 Sep	Avianca
18 Aug - 21 Aug	Avianca
29 Aug - 17 Sep	Avianca
30 Aug - 06 Sep	WestJet
17 Aug - 01 Sep	LATAM Airlines Group
25 Aug - 08 Sep	Air Canada	direct

Also check the deals for one-way flights from Toronto 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 Toronto to Sao Paulo in August from 455€

Return flights