AirHint found the following cheapest return flights from Toronto (YYZ) to Dublin (DUB) in October 2026 (see full year).

Return flights

02 Oct - 14 Oct	WestJet
01 Oct - 08 Oct	WestJet
03 Oct - 17 Oct	WestJet
08 Oct - 13 Oct	WestJet
13 Oct - 18 Oct	WestJet	direct
08 Oct - 13 Oct	WestJet	direct
08 Oct - 16 Oct	WestJet	direct
13 Oct - 14 Oct	WestJet
01 Oct - 08 Oct	WestJet	direct
03 Oct - 17 Oct	WestJet	direct
12 Oct - 27 Nov	Aer Lingus	direct
20 Oct - 03 Nov	Aer Lingus	direct

Also check the deals for one-way flights from Toronto to Dublin 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 Dublin in October from 371€

Return flights