Cheapest return flights from Ontario to Madrid in October from $487

Best time to book flights for Ontario (ONT) to Madrid (MAD) flights at AirHint

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

Return flights

21 Oct - 28 Oct Iberia
14 Oct - 21 Oct Iberia
02 Oct - 09 Oct British Airways
07 Oct - 14 Oct British Airways
16 Oct - 23 Oct Iberia
28 Oct - 04 Nov Iberia
10 Oct - 18 Oct British Airways
01 Oct - 09 Oct British Airways
03 Oct - 11 Oct British Airways
08 Oct - 15 Oct British Airways
01 Oct - 08 Oct Iberia
25 Oct - 01 Nov Iberia
24 Oct - 01 Nov British Airways

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

Skyscanner

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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