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

Return flights

26 Aug - 15 Sep	Wizz Air UK
28 Aug - 14 Sep	China Eastern
26 Aug - 14 Sep	Wizz Air UK
28 Aug - 10 Sep	China Eastern
26 Aug - 07 Sep	Wizz Air UK
31 Aug - 14 Sep	China Eastern
25 Aug - 31 Aug	SKY express
26 Aug - 13 Sep	Wizz Air UK
31 Aug - 12 Sep	China Eastern
28 Aug - 15 Sep	Turkish Airlines
31 Aug - 10 Sep	Wizz Air UK
29 Aug - 31 Aug	Wizz Air UK
23 Aug - 25 Aug	Turkmenistan Airlines
26 Aug - 31 Aug	Wizz Air UK
19 Aug - 24 Aug	easyJet
28 Aug - 31 Aug	easyJet
24 Aug - 31 Aug	Wizz Air UK
20 Aug - 24 Aug	Wizz Air UK
26 Aug - 28 Aug	Wizz Air UK
20 Aug - 25 Aug	SKY express

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 736€

Return flights