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

Return flights

15 Sep - 15 Oct	Wizz Air UK
01 Sep - 28 Oct	China Southern
15 Sep - 13 Oct	Wizz Air UK
30 Sep - 15 Oct	Wizz Air Malta
29 Sep - 13 Oct	Wizz Air UK
21 Sep - 13 Oct	Wizz Air Malta
15 Sep - 28 Oct	Wizz Air UK
09 Sep - 09 Oct	Turkish Airlines
18 Sep - 09 Oct	China Southern
23 Sep - 17 Oct	Wizz Air Malta
01 Sep - 15 Sep	Wizz Air UK
01 Sep - 22 Sep	Wizz Air UK
15 Sep - 18 Sep	Wizz Air UK
01 Sep - 18 Sep	Wizz Air UK
01 Sep - 16 Sep	Wizz Air UK
08 Sep - 18 Sep	Wizz Air UK
01 Sep - 08 Sep	Wizz Air UK
05 Sep - 22 Sep	Wizz Air UK
02 Sep - 16 Sep	Wizz Air Malta
01 Sep - 29 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 660€

Return flights