Cheapest one-way flights from London to Perth in September from $467

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

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

One-Way flights

09 Sep British Airways
07 Sep British Airways
23 Sep British Airways
06 Sep British Airways
02 Sep British Airways
03 Sep Hainan Airlines
11 Sep British Airways
16 Sep British Airways
12 Sep Hainan Airlines
26 Sep Hainan Airlines

Also check the deals for return 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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