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

Return flights

08 Oct - 15 Oct	TAP
08 Oct - 17 Oct	TAP
02 Oct - 11 Oct	Air Canada
16 Oct - 22 Oct	Air Transat	direct
02 Oct - 12 Oct	Air Transat	direct
02 Oct - 05 Oct	Air Transat	direct
02 Oct - 08 Oct	Air Transat	direct
14 Oct - 19 Oct	Air Canada
15 Oct - 20 Oct	Air Canada
08 Oct - 12 Oct	Air Canada
24 Oct - 01 Nov	Air Canada	direct
25 Oct - 01 Nov	Air Canada
18 Oct - 01 Nov	Air Canada

Also check the deals for one-way flights from Madrid 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 Madrid to Montreal in October from 370€

Return flights