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

Return flights

20 Oct - 28 Oct	Scandinavian Airlines
14 Oct - 28 Oct	Scandinavian Airlines
14 Oct - 04 Nov	Scandinavian Airlines
13 Oct - 17 Oct	Ryanair
13 Oct - 16 Oct	Ryanair
14 Oct - 17 Oct	Transavia France
21 Oct - 24 Oct	Aer Lingus
02 Oct - 16 Oct	Iberia
14 Oct - 21 Oct	Transavia France
16 Oct - 24 Oct	Air Transat
13 Oct - 24 Oct	Ryanair
14 Oct - 13 Nov	TAP
14 Oct - 15 Nov	Lufthansa
23 Oct - 02 Nov	Air Canada
31 Oct - 12 Nov	Iberia
17 Oct - 02 Nov	Air Canada
30 Oct - 06 Nov	Air Canada
15 Oct - 01 Nov	Air Canada
29 Oct - 09 Nov	Air Canada
31 Oct - 08 Nov	Lufthansa

Also check the deals for one-way flights from Madrid to Toronto 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 Toronto in October from $418

Return flights