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

Return flights

25 Aug - 31 Aug	Ryanair
26 Aug - 09 Sep	Lufthansa
25 Aug - 22 Sep	Ryanair
20 Aug - 10 Sep	Ryanair
06 Aug - 10 Sep	Ryanair
16 Aug - 31 Aug	Ryanair
09 Aug - 09 Sep	Ryanair
05 Aug - 04 Sep	Turkish Airlines
25 Aug - 30 Aug	Etihad Airways
08 Aug - 12 Aug	Aer Lingus
06 Aug - 11 Aug	Ryanair
13 Aug - 18 Aug	Finnair
11 Aug - 20 Aug	Turkish Airlines
06 Aug - 27 Aug	Ryanair
07 Aug - 19 Aug	Turkish Airlines
14 Aug - 24 Aug	Finnair
20 Aug - 03 Sep	Etihad Airways
17 Aug - 01 Sep	Qatar Airways

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.

Book a cheap hotel in Perth

Cheap car rent in Perth

Cheapest return flights from Dublin to Perth in August from $934

Return flights