AirHint found the following cheapest return flights from Ottawa (YOW) to Madrid (MAD) in December 2025 (see full year).

Return flights

04 Dec - 10 Dec	Air Canada
01 Dec - 11 Dec	Air Canada
02 Dec - 16 Dec	Air France
02 Dec - 24 Dec	Air France
10 Dec - 17 Dec	Air France
02 Dec - 23 Dec	Air France
03 Dec - 17 Dec	Air Canada
03 Dec - 24 Dec	Air Canada
03 Dec - 29 Dec	Air Canada
10 Dec - 31 Dec	Air Canada
24 Dec - 20 Jan	Air France
09 Dec - 05 Jan	Air France
19 Dec - 10 Jan	Porter Airlines (Canada) Ltd
23 Dec - 04 Jan	Air France
25 Dec - 03 Jan	Air France
21 Dec - 05 Jan	Air France
26 Dec - 03 Jan	Air France
20 Dec - 03 Jan	Air France

Also check the deals for one-way flights from Ottawa to Madrid in December.

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 Ottawa to Madrid in December from $566

Return flights