Cheapest one-way flights from Ontario to Madrid in April from $503

AirHint found the following cheapest one-way flights from Ontario (ONT) to Madrid (MAD) in April 2026 (see full year).

One-Way flights

27 Apr British Airways
15 Apr British Airways
28 Apr British Airways
20 Apr Iberia
14 Apr British Airways
07 Apr British Airways
13 Apr Iberia
21 Apr Iberia
08 Apr British Airways
16 Apr British Airways

Also check the deals for return flights from Ontario to Madrid in April.

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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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