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

Return flights

22 Oct - 16 Nov	ITA Airways
21 Oct - 28 Oct	SWISS
18 Oct - 15 Nov	ITA Airways
17 Oct - 03 Nov	Lufthansa
21 Oct - 29 Oct	British Airways
27 Oct - 21 Nov	British Airways
28 Oct - 04 Nov	British Airways
27 Oct - 24 Nov	British Airways
27 Oct - 10 Nov	British Airways
21 Oct - 20 Nov	British Airways
31 Oct - 16 Nov	British Airways
31 Oct - 24 Nov	British Airways
20 Oct - 27 Oct	British Airways
20 Oct - 22 Oct	British Airways
01 Oct - 08 Oct	SWISS
22 Oct - 28 Oct	SWISS
27 Oct - 31 Oct	British Airways
07 Oct - 22 Oct	Condor
07 Oct - 21 Oct	Condor
14 Oct - 22 Oct	KLM

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

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.

Book a cheap hotel in Perth

Cheap car rent in Perth

Cheapest return flights from London to Perth in October from $993

Return flights