Cheapest one-way flights from London to Perth in September from $483

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

06 Sep British Airways
21 Sep British Airways
19 Sep British Airways
20 Sep British Airways
11 Sep British Airways
04 Sep British Airways
02 Sep British Airways
27 Sep British Airways
26 Sep British Airways
01 Sep Shenzhen 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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