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

Return flights

24 Sep - 21 Oct	Ryanair
17 Sep - 14 Oct	Ryanair
15 Sep - 20 Oct	Ryanair
01 Sep - 15 Sep	Turkish Airlines
11 Sep - 23 Sep	Turkish Airlines
24 Sep - 15 Oct	Ryanair
23 Sep - 14 Oct	Turkish Airlines
19 Sep - 10 Oct	Ryanair
29 Sep - 20 Oct	Ryanair
20 Sep - 11 Oct	Ryanair
14 Sep - 11 Oct	Ryanair
23 Sep - 30 Sep	Ryanair
15 Sep - 29 Sep	Ryanair
16 Sep - 23 Sep	Turkish Airlines
26 Sep - 03 Oct	Turkish Airlines
22 Sep - 29 Sep	Turkish Airlines
21 Sep - 30 Sep	Ryanair
12 Sep - 19 Sep	Turkish Airlines
15 Sep - 25 Sep	Etihad Airways
10 Sep - 24 Sep	Etihad Airways

Also check the deals for one-way flights from Dublin to Perth in September.

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 September from 735€

Return flights