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

Return flights

27 Aug - 03 Sep	easyJet
26 Aug - 02 Sep	Wizz Air UK
11 Aug - 18 Aug	easyJet
19 Aug - 26 Aug	Ryanair
05 Aug - 12 Aug	Wizz Air UK
12 Aug - 19 Aug	Wizz Air UK
20 Aug - 03 Sep	Wizz Air UK
14 Aug - 21 Aug	easyJet
10 Aug - 17 Aug	easyJet
24 Aug - 31 Aug	easyJet
04 Aug - 11 Aug	Wizz Air UK
05 Aug - 19 Aug	Wizz Air UK
23 Aug - 30 Aug	easyJet
24 Aug - 09 Sep	easyJet
25 Aug - 09 Sep	easyJet
25 Aug - 10 Sep	Ryanair

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 $1046

Return flights