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

Return flights

30 Oct - 17 Nov	GOL Linhas Aéreas
23 Oct - 28 Oct	Copa
31 Oct - 07 Nov	Arajet
22 Oct - 01 Nov	Copa
19 Oct - 26 Oct	Delta
19 Oct - 01 Nov	Delta
20 Oct - 01 Nov	Delta
18 Oct - 01 Nov	Delta
25 Oct - 29 Oct	LATAM Airlines Group
17 Oct - 26 Oct	Delta
16 Oct - 24 Oct	Delta
24 Oct - 02 Nov	Delta
18 Oct - 02 Nov	Delta
25 Oct - 08 Nov	Delta
22 Oct - 08 Nov	Delta
18 Oct - 25 Oct	Delta
18 Oct - 25 Oct	GOL Linhas Aéreas	direct
16 Oct - 24 Oct	GOL Linhas Aéreas	direct

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.

Book a cheap hotel in Montreal

Cheap car rent in Montreal

Cheapest return flights from Sao Paulo to Montreal in October from 551€

Return flights