Cheapest one-way flights from London to Perth in September from $426

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

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

One-Way flights

16 Sep Ryanair
17 Sep Ryanair
07 Sep Wizz Air UK
01 Sep Wizz Air UK
08 Sep Wizz Air UK
02 Sep Wizz Air UK
03 Sep Wizz Air UK
22 Sep Wizz Air UK
15 Sep Ryanair
06 Sep British Airways

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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