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

Return flights

09 Oct - 13 Oct	Air Transat
21 Oct - 11 Nov	Aer Lingus
03 Oct - 13 Oct	WestJet
06 Oct - 13 Oct	WestJet
29 Oct - 12 Nov	Aer Lingus
23 Oct - 27 Oct	Aer Lingus
07 Oct - 28 Oct	Aer Lingus
08 Oct - 29 Oct	Aer Lingus
13 Oct - 31 Oct	Aer Lingus
22 Oct - 01 Nov	Aer Lingus
17 Oct - 23 Oct	Aer Lingus
25 Oct - 01 Nov	Aer Lingus
01 Oct - 15 Oct	WestJet
15 Oct - 21 Oct	Aer Lingus

Also check the deals for one-way flights from Toronto to Brussels in October.

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 October from $486

Return flights