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

Return flights

28 Aug - 06 Sep	Icelandair
28 Aug - 13 Sep	Icelandair
28 Aug - 31 Aug	Icelandair
28 Aug - 03 Sep	Icelandair
28 Aug - 14 Sep	Air Canada
28 Aug - 18 Sep	Air Canada	direct
27 Aug - 07 Sep	Air Canada
27 Aug - 10 Sep	Air Canada
18 Aug - 21 Aug	WestJet
30 Aug - 04 Sep	Lufthansa
28 Aug - 02 Sep	Icelandair
18 Aug - 27 Aug	WestJet
18 Aug - 24 Aug	WestJet
27 Aug - 31 Aug	Air Canada	direct
27 Aug - 13 Sep	Air Canada
18 Aug - 26 Aug	WestJet
28 Aug - 31 Aug	Lufthansa	direct
28 Aug - 30 Aug	Lufthansa	direct
12 Aug - 26 Aug	Air Canada	direct
13 Aug - 24 Aug	Air Canada	direct

Also check the deals for one-way flights from Dublin to Toronto 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 Dublin to Toronto in August from 316€

Return flights