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

Return flights

01 Dec - 08 Dec	Aer Lingus
14 Dec - 14 Jan	TAP
09 Dec - 16 Dec	Air Transat
01 Dec - 16 Dec	Virgin Atlantic
06 Dec - 13 Dec	KLM
07 Dec - 14 Dec	Air Canada
15 Dec - 22 Dec	Porter Airlines (Canada) Ltd
02 Dec - 09 Jan	Air Transat
11 Dec - 10 Jan	Air Transat
13 Dec - 13 Jan	Air Canada
06 Dec - 27 Dec	TAP
12 Dec - 19 Dec	Air Transat
28 Dec - 14 Jan	TAP
14 Dec - 30 Dec	TAP
15 Dec - 28 Dec	TAP
27 Dec - 11 Jan	Air Canada
28 Dec - 07 Jan	Lufthansa
24 Dec - 17 Jan	Air Canada
26 Dec - 11 Jan	Lufthansa
27 Dec - 09 Jan	Air Canada

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

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 Toronto to Madrid in December from 424€

Return flights