Cheapest return flights from Perth to London in August from $889

Best time to book flights for Perth (PER) to London (LHR) flights at AirHint

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

Return flights

04 Aug - 27 Aug Cathay Pacific
04 Aug - 20 Aug Cathay Pacific
04 Aug - 25 Aug Cathay Pacific
03 Aug - 24 Aug Cathay Pacific
04 Aug - 13 Aug Cathay Pacific
01 Aug - 22 Aug AirAsia
11 Aug - 26 Aug Qatar Airways
07 Aug - 14 Aug Qatar Airways
05 Aug - 18 Aug Qatar Airways
03 Aug - 17 Sep Cathay Pacific
06 Aug - 26 Aug Qatar Airways
06 Aug - 05 Sep Cathay Pacific
14 Aug - 06 Sep Cathay Pacific
14 Aug - 01 Sep Cathay Pacific
14 Aug - 02 Sep Cathay Pacific
13 Aug - 01 Sep Cathay Pacific
13 Aug - 10 Sep Cathay Pacific
11 Aug - 07 Sep Cathay Pacific
15 Aug - 05 Sep Cathay Pacific
10 Aug - 23 Sep Qatar Airways

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

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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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