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

Return flights

09 Sep - 29 Sep	Batik Air Malaysia
09 Sep - 16 Sep	Batik Air Malaysia
11 Sep - 12 Oct	Batik Air Malaysia
08 Sep - 22 Sep	AirAsia
15 Sep - 13 Oct	AirAsia
16 Sep - 01 Oct	Batik Air Malaysia
06 Sep - 20 Sep	Scoot
09 Sep - 22 Sep	AirAsia
21 Sep - 17 Oct	Batik Air Malaysia
01 Sep - 08 Oct	Batik Air Malaysia
22 Sep - 12 Oct	Scoot
29 Sep - 20 Oct	Scoot
03 Sep - 07 Oct	AirAsia
04 Sep - 11 Sep	Batik Air Malaysia
17 Sep - 03 Oct	Turkish Airlines
03 Sep - 25 Sep	Scoot
26 Sep - 18 Oct	Batik Air Malaysia
03 Sep - 20 Sep	Emirates
07 Sep - 13 Sep	Emirates
05 Sep - 20 Sep	Emirates

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 800€

Return flights