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

Return flights

24 Sep - 15 Oct	Wizz Air UK
20 Sep - 10 Oct	Wizz Air UK
22 Sep - 13 Oct	Wizz Air UK
13 Sep - 11 Oct	Wizz Air UK
25 Sep - 09 Oct	Wizz Air UK
05 Sep - 17 Oct	Wizz Air UK
07 Sep - 21 Sep	Wizz Air UK
25 Sep - 16 Oct	Wizz Air UK
30 Sep - 17 Oct	Wizz Air UK
15 Sep - 15 Oct	Wizz Air UK
30 Sep - 13 Oct	Wizz Air Malta
08 Sep - 29 Sep	Wizz Air UK
16 Sep - 25 Sep	Wizz Air UK
08 Sep - 20 Sep	Wizz Air UK
12 Sep - 29 Sep	Wizz Air UK
18 Sep - 24 Sep	Wizz Air UK
15 Sep - 24 Sep	Wizz Air UK
15 Sep - 29 Sep	easyJet
16 Sep - 23 Sep	Wizz Air UK
18 Sep - 30 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 693€

Return flights