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

Return flights

11 Dec - 18 Dec	Icelandair
14 Dec - 23 Dec	British Airways
24 Dec - 17 Jan	Air Canada
16 Dec - 10 Jan	Air Canada
23 Dec - 28 Dec	British Airways
23 Dec - 31 Dec	British Airways
18 Dec - 25 Dec	Delta
21 Dec - 30 Dec	Delta
23 Dec - 04 Jan	British Airways
21 Dec - 10 Jan	Air Canada
28 Dec - 04 Jan	Air Canada
20 Dec - 04 Jan	British Airways

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 $530

Return flights