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

Return flights

25 Aug - 09 Sep	Turkish Airlines
27 Aug - 10 Sep	Turkish Airlines
27 Aug - 16 Sep	Etihad Airways
26 Aug - 09 Sep	Ryanair
25 Aug - 12 Sep	Ryanair
19 Aug - 12 Sep	Turkish Airlines
24 Aug - 08 Sep	Etihad Airways
26 Aug - 08 Sep	Turkish Airlines
27 Aug - 13 Sep	IndiGo
19 Aug - 05 Sep	IndiGo
20 Aug - 31 Aug	IndiGo
18 Aug - 31 Aug	IndiGo
16 Aug - 31 Aug	Ryanair
22 Aug - 30 Aug	IndiGo
21 Aug - 28 Aug	Ryanair
24 Aug - 31 Aug	Hainan Airlines
18 Aug - 30 Aug	IndiGo
20 Aug - 23 Aug	IndiGo
19 Aug - 26 Aug	Ryanair
16 Aug - 23 Aug	Ryanair

Also check the deals for one-way flights from Dublin to Perth 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 Perth in August from 770€

Return flights