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

Return flights

10 Sep - 17 Sep	AirAsia
08 Sep - 17 Sep	Batik Air Malaysia
02 Sep - 12 Sep	AirAsia
04 Sep - 15 Sep	AirAsia
11 Sep - 27 Sep	Batik Air Malaysia
04 Sep - 22 Sep	AirAsia
01 Sep - 13 Sep	AirAsia
01 Sep - 14 Sep	AirAsia
04 Sep - 20 Sep	AirAsia
03 Sep - 10 Sep	AirAsia
19 Sep - 11 Oct	AirAsia
15 Sep - 06 Oct	Scoot
22 Sep - 22 Oct	Qatar Airways
25 Sep - 22 Oct	Qatar Airways
23 Sep - 21 Oct	Qatar Airways
02 Sep - 21 Oct	Virgin Australia
23 Sep - 05 Oct	Emirates
21 Sep - 05 Oct	Emirates
18 Sep - 02 Oct	Qatar Airways
13 Sep - 03 Oct	Emirates

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 806€

Return flights