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

Return flights

09 Oct - 25 Oct	Arajet
03 Oct - 29 Nov	Arajet
25 Oct - 05 Nov	Avianca
25 Oct - 03 Nov	Avianca
23 Oct - 12 Nov	Avianca
30 Oct - 03 Nov	Avianca
17 Oct - 23 Nov	Avianca
31 Oct - 08 Nov	Avianca
09 Oct - 22 Oct	Arajet
23 Oct - 31 Oct	Arajet
16 Oct - 22 Oct	Arajet
28 Oct - 11 Nov	Avianca
16 Oct - 08 Nov	Arajet
22 Oct - 28 Oct	Avianca
25 Oct - 04 Nov	Avianca
22 Oct - 31 Oct	Avianca
09 Oct - 23 Oct	Air Canada	direct
17 Oct - 22 Oct	Air Canada
22 Oct - 28 Oct	Air Canada	direct
09 Oct - 22 Oct	Air Canada	direct

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

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Cheapest return flights from Sao Paulo to Toronto in October from $543

Return flights