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

Return flights

12 Sep - 23 Sep	AirAsia
10 Sep - 17 Sep	AirAsia
12 Sep - 19 Sep	AirAsia
23 Sep - 30 Sep	AirAsia
23 Sep - 05 Oct	Batik Air Malaysia
04 Sep - 13 Oct	AirAsia
18 Sep - 25 Sep	Qantas
21 Sep - 05 Oct	Scoot
07 Sep - 24 Sep	Virgin Australia
03 Sep - 18 Sep	Scoot
05 Sep - 14 Sep	Qatar Airways
07 Sep - 12 Sep	Qatar Airways
14 Sep - 01 Oct	Emirates
10 Sep - 25 Sep	Emirates
23 Sep - 07 Oct	Virgin Australia
12 Sep - 01 Oct	Emirates
20 Sep - 03 Oct	Emirates
12 Sep - 03 Oct	Emirates
16 Sep - 07 Oct	Virgin Australia
24 Sep - 05 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 783€

Return flights