Cheapest one-way flights from Ontario to Madrid in December from 267€

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

One-Way flights

07 Dec Frontier Airlines
03 Dec Virgin Atlantic
02 Dec British Airways
09 Dec Iberia
24 Dec Frontier Airlines
05 Dec British Airways
06 Dec British Airways
31 Dec British Airways
30 Dec British Airways
29 Dec British Airways

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

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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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