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

Return flights

09 Sep - 16 Sep	Wizz Air UK
16 Sep - 23 Sep	Wizz Air UK
25 Sep - 21 Oct	easyJet
09 Sep - 30 Sep	Wizz Air UK
25 Sep - 13 Oct	easyJet
22 Sep - 12 Oct	easyJet
25 Sep - 19 Oct	easyJet
16 Sep - 07 Oct	Wizz Air UK
25 Sep - 18 Oct	easyJet
04 Sep - 18 Sep	Wizz Air UK
25 Sep - 14 Oct	easyJet
25 Sep - 09 Oct	easyJet
03 Sep - 05 Oct	easyJet
25 Sep - 23 Oct	easyJet
10 Sep - 30 Sep	easyJet
16 Sep - 30 Sep	Wizz Air UK
04 Sep - 20 Sep	Wizz Air UK
07 Sep - 14 Sep	Wizz Air UK
08 Sep - 14 Sep	easyJet
01 Sep - 14 Sep	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 802€

Return flights