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

Return flights

18 Sep - 23 Sep	ITA Airways
18 Sep - 25 Sep	ITA Airways
19 Sep - 23 Sep	ITA Airways
24 Sep - 30 Sep	ITA Airways
25 Sep - 28 Sep	Air Transat
26 Sep - 30 Sep	ITA Airways
25 Sep - 02 Oct	ITA Airways
14 Sep - 30 Sep	ITA Airways
23 Sep - 07 Oct	Ryanair
22 Sep - 06 Oct	Iberia
15 Sep - 22 Sep	ITA Airways
15 Sep - 21 Sep	ITA Airways
16 Sep - 23 Sep	Air Europa
26 Sep - 12 Oct	Iberia
26 Sep - 04 Oct	ITA Airways
26 Sep - 12 Oct	Air Canada	direct
27 Sep - 01 Oct	WORLD2FLY
29 Sep - 03 Oct	WORLD2FLY
28 Sep - 10 Oct	Air Europa
30 Sep - 14 Oct	Lufthansa

Also check the deals for one-way flights from Madrid to Toronto in September.

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 September from $513

Return flights