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

Return flights

29 Aug - 20 Sep	Etihad Airways
05 Aug - 27 Aug	Saudia
19 Aug - 26 Aug	Saudia
15 Aug - 06 Sep	Saudia
25 Aug - 01 Sep	Saudia
22 Aug - 29 Aug	Saudia
04 Aug - 11 Aug	Saudia
18 Aug - 06 Sep	Malaysia Airlines
08 Aug - 15 Aug	Saudia
28 Aug - 19 Sep	Etihad Airways
15 Aug - 11 Sep	Saudia
29 Aug - 13 Sep	Cathay Pacific
27 Aug - 13 Sep	Cathay Pacific
13 Aug - 30 Aug	Malaysia Airlines
28 Aug - 04 Sep	Cathay Pacific
23 Aug - 06 Sep	Cathay Pacific
11 Aug - 16 Aug	British Airways
12 Aug - 31 Aug	British Airways
14 Aug - 28 Aug	Scandinavian Airlines
07 Aug - 14 Aug	British Airways

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 $1037

Return flights