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

Return flights

28 Oct - 12 Nov	SWISS
31 Oct - 12 Nov	SWISS
22 Oct - 07 Nov	SWISS
21 Oct - 28 Oct	SWISS
20 Oct - 06 Nov	SWISS
20 Oct - 03 Nov	SWISS
24 Oct - 27 Oct	SWISS
22 Oct - 19 Nov	KLM
14 Oct - 27 Oct	SWISS
01 Oct - 20 Oct	SWISS
16 Oct - 02 Nov	SWISS
24 Oct - 04 Nov	KLM
01 Oct - 22 Oct	KLM
24 Oct - 31 Oct	SWISS
21 Oct - 30 Oct	SWISS
18 Oct - 28 Oct	SWISS
06 Oct - 26 Oct	KLM
26 Oct - 01 Nov	SWISS
27 Oct - 18 Nov	KLM
10 Oct - 15 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.

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Cheapest return flights from London to Perth in October from 802€

Return flights