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

Return flights

29 Aug - 13 Sep	Etihad Airways
27 Aug - 17 Sep	Etihad Airways
29 Aug - 20 Sep	Etihad Airways
28 Aug - 20 Sep	Etihad Airways
19 Aug - 02 Sep	Saudia
18 Aug - 05 Sep	Saudia
28 Aug - 12 Sep	Saudia
29 Aug - 19 Sep	Qatar Airways
25 Aug - 29 Sep	Etihad Airways
25 Aug - 01 Sep	Saudia
05 Aug - 21 Aug	Saudia
20 Aug - 29 Aug	Malaysia Airlines
18 Aug - 31 Aug	Malaysia Airlines
11 Aug - 31 Aug	Saudia
03 Aug - 09 Aug	Cathay Pacific
09 Aug - 16 Aug	Saudia
10 Aug - 31 Aug	Saudia
04 Aug - 11 Aug	Saudia
02 Aug - 09 Aug	Cathay Pacific
08 Aug - 31 Aug	Turkish Airlines

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 813€

Return flights