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

Return flights

01 Sep - 17 Oct	Wizz Air Malta
12 Sep - 15 Oct	Wizz Air UK
30 Sep - 15 Oct	Wizz Air Malta
30 Sep - 14 Oct	Wizz Air Malta
03 Sep - 14 Sep	Wizz Air UK
01 Sep - 29 Sep	Wizz Air Malta
01 Sep - 30 Sep	Wizz Air Malta
01 Sep - 01 Oct	Wizz Air Malta
15 Sep - 29 Sep	Wizz Air Malta
09 Sep - 23 Sep	Wizz Air Malta
01 Sep - 15 Sep	Wizz Air UK
10 Sep - 23 Sep	Wizz Air UK
01 Sep - 05 Sep	Wizz Air UK
04 Sep - 18 Sep	Wizz Air UK
05 Sep - 19 Sep	Wizz Air UK
20 Sep - 03 Oct	Wizz Air Malta
21 Sep - 05 Oct	easyJet

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 775€

Return flights