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

Return flights

04 Sep - 25 Sep	AirAsia
01 Sep - 15 Sep	Scoot Tigerair
03 Sep - 17 Sep	Scoot Tigerair
04 Sep - 18 Sep	AirAsia
04 Sep - 22 Sep	Scoot Tigerair
14 Sep - 29 Sep	Qantas
09 Sep - 22 Sep	Qantas
11 Sep - 29 Sep	Qantas
12 Sep - 19 Sep	Qantas
19 Sep - 26 Sep	Malaysia Airlines
15 Sep - 06 Oct	Qantas
03 Sep - 02 Oct	Qatar Airways
04 Sep - 02 Oct	Qatar Airways
03 Sep - 01 Oct	Qatar Airways
22 Sep - 23 Oct	Qatar Airways
18 Sep - 20 Oct	Virgin Australia
18 Sep - 31 Oct	Virgin Australia
27 Sep - 21 Oct	Qatar Airways
19 Sep - 20 Oct	Virgin Australia
26 Sep - 17 Oct	Malaysia Airlines

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

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Cheapest return flights from Perth to Dublin in September from 754€

Return flights