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

Return flights

14 Jan - 23 Jan	British Airways
13 Jan - 22 Jan	British Airways
21 Jan - 04 Feb	British Airways
20 Jan - 03 Feb	British Airways
11 Jan - 23 Jan	British Airways
20 Jan - 27 Jan	British Airways
11 Jan - 27 Jan	Iberia
28 Jan - 10 Feb	Iberia
16 Jan - 23 Jan	British Airways
12 Jan - 25 Jan	British Airways
23 Jan - 06 Feb	British Airways
28 Jan - 01 Feb	British Airways
11 Jan - 24 Jan	British Airways
13 Jan - 21 Jan	British Airways
11 Jan - 21 Jan	British Airways
31 Jan - 07 Feb	Iberia
19 Jan - 03 Feb	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 $427

Return flights