AirHint found the following cheapest return flights from Toronto (YTZ) to Brussels (BRU) in December 2025 (see full year).

Return flights

03 Dec - 09 Dec	Air Canada
12 Dec - 13 Jan	Air Canada
17 Dec - 28 Dec	Air Canada
23 Dec - 31 Dec	Air Canada
28 Dec - 04 Jan	Air Canada
13 Dec - 21 Dec	Air Canada
18 Dec - 30 Dec	Porter Airlines (Canada) Ltd
18 Dec - 27 Dec	Air Canada
15 Dec - 02 Jan	Air Canada
17 Dec - 29 Dec	Air Canada
17 Dec - 04 Jan	Porter Airlines (Canada) Ltd
15 Dec - 03 Jan	Air Canada
15 Dec - 05 Jan	Air Canada
13 Dec - 03 Jan	Air Canada
14 Dec - 05 Jan	Air Canada
19 Dec - 04 Jan	Air Canada

Also check the deals for one-way flights from Toronto to Brussels 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 Toronto to Brussels in December from 606€

Return flights