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

Return flights

04 Oct - 10 Oct	WestJet
04 Oct - 11 Oct	WestJet
04 Oct - 07 Oct	WestJet
04 Oct - 13 Oct	WestJet
04 Oct - 06 Oct	WestJet
04 Oct - 08 Oct	WestJet
04 Oct - 12 Oct	WestJet
04 Oct - 14 Oct	WestJet
10 Oct - 20 Oct	Icelandair
16 Oct - 21 Oct	Icelandair
31 Oct - 08 Nov	Air Canada	direct
31 Oct - 09 Nov	Air Canada	direct
31 Oct - 10 Nov	Lufthansa
29 Oct - 05 Nov	Lufthansa
28 Oct - 10 Nov	Lufthansa
24 Oct - 09 Nov	Lufthansa
31 Oct - 10 Nov	Aer Lingus	direct
24 Oct - 03 Nov	Lufthansa
14 Oct - 19 Nov	Lufthansa
23 Oct - 04 Nov	Lufthansa

Also check the deals for one-way flights from Dublin to Toronto 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 Dublin to Toronto in October from $369

Return flights