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

Return flights

04 Oct - 24 Oct	Arajet
19 Oct - 26 Oct	GOL Linhas Aéreas
29 Oct - 07 Nov	GOL Linhas Aéreas
13 Oct - 26 Oct	GOL Linhas Aéreas
09 Oct - 12 Oct	Delta
09 Oct - 15 Oct	Delta
25 Oct - 29 Oct	Delta
02 Oct - 12 Oct	Delta
08 Oct - 15 Oct	Delta
08 Oct - 22 Oct	Delta
08 Oct - 13 Oct	Delta
24 Oct - 09 Nov	Delta
30 Oct - 07 Nov	LATAM Airlines Group
04 Oct - 08 Nov	LATAM Airlines Group

Also check the deals for one-way flights from Toronto to Sao Paulo in October.

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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from Toronto to Sao Paulo in October from $580

Return flights