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

Return flights

08 Jul - 22 Jul	SWISS
08 Jul - 15 Jul	SWISS
23 Jul - 27 Aug	KLM
25 Jul - 14 Aug	Lufthansa
23 Jul - 30 Jul	Lufthansa
22 Jul - 29 Jul	SWISS
29 Jul - 05 Aug	Air Dolomiti
22 Jul - 06 Aug	SWISS
21 Jul - 28 Jul	Lufthansa
20 Jul - 03 Aug	Air Dolomiti
21 Jul - 10 Aug	Air Dolomiti
15 Jul - 25 Jul	Lufthansa
13 Jul - 20 Jul	Air Dolomiti
25 Jul - 27 Jul	KLM
23 Jul - 27 Jul	KLM
08 Jul - 21 Jul	British Airways
28 Jul - 12 Aug	KLM
28 Jul - 04 Aug	KLM
28 Jul - 06 Aug	KLM
25 Jul - 06 Aug	KLM

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

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 July from 1281€

Return flights