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

Return flights

01 Dec - 08 Dec	Air Canada
01 Dec - 09 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
02 Dec - 09 Dec	Air Canada
02 Dec - 10 Dec	Air Canada
02 Dec - 11 Dec	Air Canada
03 Dec - 10 Dec	Air Canada
03 Dec - 11 Dec	Air Canada
03 Dec - 12 Dec	Air Canada
04 Dec - 13 Dec	Air Canada
06 Dec - 03 Jan	Air Canada
17 Dec - 01 Jan	Air Canada
18 Dec - 01 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 $587

Return flights