AirHint found the following cheapest return flights from Ontario (ONT) to Madrid (MAD) in January 2026 (see full year).

Return flights

11 Jan - 21 Jan	Iberia
21 Jan - 14 Feb	British Airways
11 Jan - 31 Jan	Iberia
23 Jan - 14 Feb	British Airways
27 Jan - 21 Feb	Iberia
31 Jan - 07 Feb	Iberia
18 Jan - 07 Feb	Iberia
13 Jan - 20 Jan	Iberia
27 Jan - 03 Feb	Iberia
24 Jan - 31 Jan	Iberia
26 Jan - 21 Feb	Iberia
20 Jan - 27 Jan	Iberia
20 Jan - 14 Feb	British Airways
10 Jan - 17 Jan	Iberia
17 Jan - 07 Feb	Iberia
15 Jan - 07 Feb	Iberia
17 Jan - 24 Jan	Iberia
08 Jan - 31 Jan	Iberia
08 Jan - 17 Jan	Iberia
06 Jan - 13 Jan	Iberia

Also check the deals for one-way flights from Ontario to Madrid in January.

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 Ontario to Madrid in January from 377€

Return flights