Cheapest return flights from London to Perth in September from $925

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

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

Return flights

09 Sep - 16 Sep British Airways
25 Sep - 12 Oct Austrian Airlines
22 Sep - 22 Oct British Airways
18 Sep - 25 Sep Austrian Airlines
25 Sep - 15 Oct Austrian Airlines
11 Sep - 25 Sep Austrian Airlines
20 Sep - 05 Oct Austrian Airlines
02 Sep - 09 Sep British Airways
08 Sep - 15 Sep British Airways
18 Sep - 22 Sep Austrian Airlines
25 Sep - 16 Oct Austrian Airlines
02 Sep - 14 Sep Austrian Airlines
16 Sep - 14 Oct Etihad Airways
25 Sep - 17 Oct Austrian Airlines
13 Sep - 04 Oct Austrian Airlines
20 Sep - 27 Sep Austrian Airlines
23 Sep - 16 Oct Austrian Airlines
06 Sep - 27 Sep British Airways
30 Sep - 07 Oct Austrian Airlines
13 Sep - 27 Sep Austrian Airlines

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

Skyscanner

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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