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

Return flights

08 Oct - 19 Oct	Air Canada	direct
09 Oct - 19 Oct	Air Canada
08 Oct - 21 Oct	Air Canada
09 Oct - 15 Oct	Air Canada
02 Oct - 12 Oct	Air Canada
06 Oct - 17 Oct	Air Canada
01 Oct - 05 Oct	Air Canada
01 Oct - 07 Oct	Air Canada
15 Oct - 25 Oct	United
08 Oct - 21 Oct	Lufthansa	direct
21 Oct - 06 Nov	Air Canada
07 Oct - 05 Nov	Air Canada
20 Oct - 05 Nov	Scandinavian Airlines
24 Oct - 07 Nov	Air Canada
15 Oct - 02 Nov	TAP
01 Oct - 04 Nov	Ryanair
30 Oct - 04 Nov	Air Canada
31 Oct - 04 Nov	Air Canada
31 Oct - 11 Nov	Ryanair
01 Oct - 04 Nov	Air Canada	direct

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 $476

Return flights