AirHint found the following cheapest return flights from London (LON) to Perth (PER) in September 2026 (see full year).

Return flights

21 Sep - 14 Oct	Pegasus Airlines
16 Sep - 07 Oct	Wizz Air UK
18 Sep - 08 Oct	Wizz Air UK
08 Sep - 08 Oct	Wizz Air UK
09 Sep - 08 Oct	Wizz Air UK
20 Sep - 11 Oct	Wizz Air UK
18 Sep - 05 Oct	Wizz Air UK
22 Sep - 06 Oct	Wizz Air UK
22 Sep - 12 Oct	Wizz Air UK
01 Sep - 06 Oct	Wizz Air UK
01 Sep - 15 Sep	Wizz Air UK
05 Sep - 15 Sep	Wizz Air UK
04 Sep - 14 Sep	Wizz Air UK
03 Sep - 16 Sep	AJet
01 Sep - 13 Sep	AJet
10 Sep - 17 Sep	Wizz Air UK
13 Sep - 22 Sep	Wizz Air UK
10 Sep - 22 Sep	Wizz Air UK
08 Sep - 22 Sep	Wizz Air UK
01 Sep - 11 Sep	Wizz Air UK

Also check the deals for one-way flights from London 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 London to Perth in September from $810

Return flights