AirHint found the following cheapest return flights from Montreal (YUL) to Madrid (MAD) in October 2026 (see full year).

Return flights

14 Oct - 21 Oct	TAP
16 Oct - 23 Oct	TAP
15 Oct - 22 Oct	TAP
19 Oct - 26 Oct	TAP
23 Oct - 30 Oct	TAP
26 Oct - 02 Nov	TAP
18 Oct - 25 Oct	TAP
22 Oct - 29 Oct	TAP
25 Oct - 01 Nov	TAP
22 Oct - 01 Nov	TAP
21 Oct - 28 Oct	TAP
20 Oct - 27 Oct	British Airways
05 Oct - 12 Oct	Air Canada
28 Oct - 04 Nov	British Airways
27 Oct - 03 Nov	British Airways
30 Oct - 06 Nov	Royal Air Maroc
29 Oct - 05 Nov	Royal Air Maroc
31 Oct - 07 Nov	Royal Air Maroc
22 Oct - 02 Nov	Air Canada	direct
23 Oct - 02 Nov	Air Canada	direct

Also check the deals for one-way flights from Montreal to Madrid 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 Montreal to Madrid in October from 553€

Return flights