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

Return flights

04 Dec - 12 Dec	Icelandair
11 Dec - 18 Dec	Icelandair
04 Dec - 18 Jan	Icelandair
02 Dec - 20 Dec	Brussels Airlines
03 Dec - 18 Dec	Icelandair
02 Dec - 22 Dec	Brussels Airlines
24 Dec - 03 Jan	Air Canada
28 Dec - 02 Jan	Air Canada
24 Dec - 04 Jan	Air Canada
18 Dec - 02 Jan	Brussels Airlines

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.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Cheapest return flights from Toronto to Brussels in December from $384

Return flights