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

Return flights

31 Aug - 14 Sep	AirAsia
31 Aug - 08 Sep	Jetstar
31 Aug - 19 Sep	Jetstar
26 Aug - 16 Sep	AirAsia
27 Aug - 24 Sep	AirAsia
27 Aug - 03 Sep	AirAsia
30 Aug - 14 Sep	Batik Air Malaysia
26 Aug - 28 Aug	AirAsia
28 Aug - 10 Sep	VietJet Air
28 Aug - 12 Sep	Scoot
26 Aug - 02 Sep	Batik Air Malaysia
29 Aug - 31 Aug	AirAsia
28 Aug - 31 Aug	Qatar Airways
27 Aug - 31 Aug	Virgin Australia
27 Aug - 27 Aug	Cathay Pacific
26 Aug - 28 Aug	Qantas	direct
28 Aug - 31 Aug	Qantas	direct
27 Aug - 31 Aug	Qantas	direct

Also check the deals for one-way flights from Perth to London in August.

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 August from $934

Return flights