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

Return flights

15 Sep - 26 Oct	Wizz Air UK
15 Sep - 28 Oct	Wizz Air UK
15 Sep - 15 Oct	Wizz Air UK
25 Sep - 12 Oct	China Southern
01 Sep - 15 Sep	Wizz Air UK
15 Sep - 20 Oct	China Southern
26 Sep - 28 Oct	Wizz Air UK
08 Sep - 15 Sep	Wizz Air UK
15 Sep - 13 Oct	Wizz Air UK
25 Sep - 11 Oct	China Southern
16 Sep - 07 Oct	Wizz Air UK
30 Sep - 28 Oct	Wizz Air Malta
01 Sep - 22 Sep	Wizz Air UK
01 Sep - 23 Sep	Wizz Air UK
15 Sep - 22 Sep	Wizz Air UK
11 Sep - 15 Sep	Pegasus Airlines
09 Sep - 17 Sep	Wizz Air Malta
01 Sep - 10 Sep	Wizz Air UK
15 Sep - 29 Sep	Wizz Air UK
09 Sep - 16 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.

Book a cheap hotel in Perth

Cheap car rent in Perth

Cheapest return flights from London to Perth in September from 590€

Return flights