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

Return flights

23 Oct - 08 Nov	Lufthansa	direct
23 Oct - 09 Nov	Air Canada	direct
23 Oct - 23 Nov	Air Canada	direct
20 Oct - 26 Nov	Aer Lingus	direct
26 Oct - 11 Nov	Lufthansa
26 Oct - 15 Nov	Air Canada
22 Oct - 15 Nov	Air Canada
23 Oct - 15 Nov	Air Canada
24 Oct - 15 Nov	Air Canada
25 Oct - 15 Nov	Air Canada
21 Oct - 30 Oct	WestJet
24 Oct - 31 Oct	Air Transat
24 Oct - 30 Oct	Air Transat
17 Oct - 31 Oct	WestJet
21 Oct - 28 Oct	Iberia
20 Oct - 27 Oct	Iberia
20 Oct - 31 Oct	WestJet
17 Oct - 21 Oct	British Airways
18 Oct - 21 Oct	Iberia
22 Oct - 29 Oct	WestJet

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 $427

Return flights