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

Return flights

28 Sep - 13 Oct	Turkish Airlines
15 Sep - 28 Sep	Turkish Airlines
29 Sep - 14 Oct	Turkish Airlines
10 Sep - 02 Oct	Turkish Airlines
30 Sep - 29 Oct	Vueling Airlines
26 Sep - 29 Oct	Vueling Airlines
09 Sep - 23 Sep	Ryanair
20 Sep - 06 Oct	easyJet
12 Sep - 06 Oct	easyJet
05 Sep - 17 Sep	Juneyao Airlines
14 Sep - 18 Sep	Turkish Airlines
11 Sep - 24 Sep	Pegasus Airlines
12 Sep - 19 Sep	Ryanair
03 Sep - 10 Sep	Qatar Airways
03 Sep - 25 Sep	Qatar Airways
27 Sep - 04 Oct	Flynas
14 Sep - 29 Sep	Wizz Air
06 Sep - 14 Sep	Ryanair

Also check the deals for one-way flights from Brussels to Perth 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 Brussels to Perth in September from $729

Return flights