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

Return flights

14 Sep - 22 Sep	Scoot Tigerair
03 Sep - 17 Sep	Scoot Tigerair
01 Sep - 22 Sep	Scoot Tigerair
23 Sep - 30 Sep	Scoot Tigerair
09 Sep - 30 Sep	AirAsia
08 Sep - 30 Sep	Scoot Tigerair
06 Sep - 13 Sep	Batik Air Malaysia
01 Sep - 14 Sep	Scoot Tigerair
12 Sep - 19 Sep	Qantas
15 Sep - 22 Sep	Singapore Airlines
21 Sep - 08 Oct	Qantas
30 Sep - 29 Oct	Qatar Airways
15 Sep - 15 Oct	Qatar Airways
18 Sep - 15 Oct	Qatar Airways
16 Sep - 22 Oct	Virgin Australia
02 Sep - 21 Oct	Virgin Australia
18 Sep - 31 Oct	Virgin Australia
26 Sep - 02 Oct	Qatar Airways
28 Sep - 07 Oct	Qatar Airways
25 Sep - 12 Oct	Qatar Airways

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 $878

Return flights