AirHint found the following cheapest return flights from London (LCY) to Melbourne (MEL) in August 2025 (see full year).

Return flights

25 Aug - 31 Aug	KLM
22 Aug - 03 Sep	British Airways
25 Aug - 01 Sep	SWISS
27 Aug - 03 Sep	Lufthansa
26 Aug - 02 Sep	British Airways
20 Aug - 03 Sep	British Airways
19 Aug - 03 Sep	British Airways
31 Aug - 07 Sep	SWISS
18 Aug - 10 Sep	British Airways
13 Aug - 02 Sep	British Airways
18 Aug - 03 Sep	British Airways
12 Aug - 26 Aug	KLM
13 Aug - 20 Aug	SWISS
20 Aug - 27 Aug	Lufthansa
18 Aug - 27 Aug	British Airways
24 Aug - 31 Aug	SWISS
15 Aug - 31 Aug	British Airways
18 Aug - 24 Aug	British Airways
13 Aug - 27 Aug	British Airways
12 Aug - 27 Aug	British Airways

Also check the deals for one-way flights from London to Melbourne in August.

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 Melbourne in August from $1368

Return flights