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Cheapest one-way flights from Ontario (ONT) to Madrid (MAD), August

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
03 Aug	British Airways
10 Aug	British Airways
11 Aug	British Airways
04 Aug	British Airways
18 Aug	British Airways
17 Aug	British Airways
15 Aug	British Airways
01 Aug	British Airways
07 Aug	British Airways
06 Aug	British Airways

deals for return flights from Ontario to Madrid in August.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Ontario (ONT) to Madrid (MAD), August

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