Cheapest return flights from Ontario to Madrid in August from $718

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 August 2025 (see full year).

Return flights

04 Aug - 20 Aug Air Canada
06 Aug - 27 Aug Iberia
12 Aug - 19 Aug Iberia
19 Aug - 26 Aug Iberia
03 Aug - 22 Aug British Airways
05 Aug - 19 Aug Iberia
18 Aug - 25 Aug Iberia
17 Aug - 24 Aug Iberia
14 Aug - 21 Aug Iberia
14 Aug - 28 Aug Iberia
26 Aug - 07 Sep British Airways
29 Aug - 06 Sep Iberia
28 Aug - 04 Sep Iberia
30 Aug - 13 Sep Avianca

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

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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