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

Return flights

27 Aug - 31 Aug	WestJet
26 Aug - 15 Sep	Iberia
26 Aug - 17 Sep	British Airways
30 Aug - 05 Sep	Finnair
22 Aug - 29 Aug	Air Canada
23 Aug - 16 Sep	British Airways
25 Aug - 29 Aug	Air Canada
22 Aug - 30 Aug	Air Canada	direct
25 Aug - 30 Aug	Air Canada
22 Aug - 02 Sep	Air Canada
22 Aug - 27 Sep	Air Canada	direct
25 Aug - 07 Sep	Air Canada
22 Aug - 07 Sep	Air Canada	direct
23 Aug - 13 Sep	Air Canada
25 Aug - 20 Sep	Air Canada
24 Aug - 30 Aug	Air Canada
22 Aug - 29 Aug	Air Canada	direct
28 Aug - 31 Aug	Flair Airlines
23 Aug - 28 Aug	Air Canada
21 Aug - 28 Aug	Air Canada

Also check the deals for one-way flights from Toronto to Dublin in August.

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 August from 455€

Return flights