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

Return flights

30 Jul - 19 Aug	British Airways
30 Jul - 20 Aug	British Airways
28 Jul - 09 Aug	British Airways
31 Jul - 16 Aug	British Airways
30 Jul - 15 Aug	British Airways
31 Jul - 15 Aug	British Airways
29 Jul - 15 Aug	British Airways
15 Jul - 26 Jul	British Airways
15 Jul - 25 Jul	British Airways
09 Jul - 23 Jul	British Airways
02 Jul - 28 Jul	British Airways
20 Jul - 31 Jul	British Airways
01 Jul - 21 Jul	British Airways
24 Jul - 31 Jul	Iberia
09 Jul - 20 Jul	British Airways
10 Jul - 14 Jul	British Airways
10 Jul - 15 Jul	British Airways

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

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 July from $554

Return flights