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

Return flights

17 Sep - 06 Oct	Qatar Airways
24 Sep - 13 Oct	Qatar Airways
11 Sep - 05 Oct	SKY express
01 Sep - 10 Sep	SKY express
07 Sep - 14 Sep	Wizz Air UK
03 Sep - 12 Sep	Wizz Air UK
01 Sep - 20 Sep	SKY express
03 Sep - 17 Sep	Wizz Air UK
10 Sep - 19 Sep	Qatar Airways
06 Sep - 13 Sep	Wizz Air UK
06 Sep - 20 Sep	Air China
01 Sep - 22 Sep	SKY express
01 Sep - 01 Oct	Qatar Airways
01 Sep - 30 Sep	Qatar Airways
29 Sep - 17 Oct	Qatar Airways
26 Sep - 17 Oct	Qatar Airways
27 Sep - 17 Oct	Qatar Airways
17 Sep - 01 Oct	Turkish Airlines
27 Sep - 10 Oct	Qatar Airways
28 Sep - 11 Oct	Turkish Airlines

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 810€

Return flights