Cheapest one-way flights from Ontario to Madrid in October from $457

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

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

One-Way flights

26 Oct British Airways
19 Oct British Airways
08 Oct British Airways
06 Oct British Airways
13 Oct British Airways
20 Oct British Airways
07 Oct British Airways
14 Oct British Airways
12 Oct British Airways
27 Oct British Airways

Also check the deals for return 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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