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

Return flights

04 Sep - 15 Sep	AirAsia
01 Sep - 30 Sep	Scoot Tigerair
07 Sep - 24 Sep	Virgin Australia
02 Sep - 16 Sep	Qatar Airways
11 Sep - 24 Sep	Qatar Airways
04 Sep - 29 Oct	Qatar Airways
08 Sep - 28 Oct	Qatar Airways
01 Sep - 14 Sep	Virgin Australia
22 Sep - 22 Oct	Virgin Australia
01 Sep - 29 Sep	Scoot Tigerair
18 Sep - 25 Sep	Qatar Airways
14 Sep - 01 Oct	Virgin Australia
18 Sep - 29 Sep	Qatar Airways
18 Sep - 23 Sep	Qatar Airways
07 Sep - 02 Oct	AirAsia
17 Sep - 17 Oct	Qatar Airways
26 Sep - 06 Oct	AirAsia
25 Sep - 04 Oct	Emirates
24 Sep - 05 Oct	Qatar Airways
23 Sep - 07 Oct	Virgin Australia

Also check the deals for one-way flights from Perth to Barcelona 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 Barcelona in September from 929€

Return flights