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

Return flights

25 Aug - 15 Sep	Wizz Air UK
25 Aug - 10 Sep	Wizz Air UK
13 Aug - 15 Sep	easyJet
19 Aug - 16 Sep	Wizz Air UK
26 Aug - 16 Sep	Wizz Air UK
29 Aug - 10 Sep	Wizz Air UK
19 Aug - 23 Sep	Wizz Air UK
25 Aug - 08 Sep	Wizz Air UK
29 Aug - 05 Sep	Shenzhen Airlines
20 Aug - 17 Sep	easyJet
04 Aug - 19 Aug	Air India
06 Aug - 20 Aug	Air India
06 Aug - 13 Aug	Air India
04 Aug - 06 Aug	Air India
04 Aug - 12 Aug	Air India
04 Aug - 14 Aug	Air India
04 Aug - 09 Aug	Air India
04 Aug - 08 Aug	Air India
05 Aug - 20 Aug	Air India
05 Aug - 12 Aug	Air India

Also check the deals for one-way flights from London to Perth 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 London to Perth in August from 684€

Return flights