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

Return flights

29 Sep - 21 Oct	Indonesia AirAsia
16 Sep - 14 Oct	Batik Air Malaysia
02 Sep - 09 Sep	Batik Air Malaysia
27 Sep - 11 Oct	Batik Air Malaysia
25 Sep - 11 Oct	Indonesia AirAsia
16 Sep - 07 Oct	Batik Air Malaysia
08 Sep - 03 Oct	AirAsia
01 Sep - 08 Sep	Batik Air Malaysia
23 Sep - 01 Oct	TransNusa
04 Sep - 18 Sep	Batik Air Malaysia
01 Sep - 01 Oct	AirAsia
26 Sep - 11 Oct	Batik Air Malaysia
04 Sep - 05 Oct	Batik Air Malaysia
03 Sep - 10 Sep	Batik Air Malaysia
04 Sep - 11 Sep	Scoot
14 Sep - 21 Sep	Batik Air Malaysia
02 Sep - 27 Sep	Batik Air Malaysia
01 Sep - 17 Sep	Batik Air Malaysia
17 Sep - 24 Sep	Batik Air Malaysia
04 Sep - 25 Sep	Scoot

Also check the deals for one-way flights from Perth to London 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 Perth to London in September from $1002

Return flights