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

Return flights

23 Oct - 05 Nov	Avianca
30 Oct - 17 Nov	Avianca
22 Oct - 09 Nov	Avianca
29 Oct - 12 Nov	GOL Linhas Aéreas
15 Oct - 31 Oct	Air Canada	direct
02 Oct - 02 Nov	Air Canada	direct
22 Oct - 09 Nov	Air Canada	direct
01 Oct - 08 Oct	Air Canada	direct
22 Oct - 29 Oct	Air Canada
02 Oct - 12 Oct	Air Canada
24 Oct - 31 Oct	Air Canada
27 Oct - 03 Nov	Air Canada
14 Oct - 02 Nov	Air Canada
29 Oct - 08 Nov	Air Canada
30 Oct - 08 Nov	Air Canada
05 Oct - 20 Oct	Avianca
11 Oct - 26 Oct	Air Canada	direct
08 Oct - 20 Oct	Avianca
08 Oct - 19 Oct	Air Canada
01 Oct - 10 Oct	Air Canada

Also check the deals for one-way flights from Sao Paulo to Montreal 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 Montreal in October from 462€

Return flights