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

Return flights

27 Aug - 10 Sep	TUI	direct
26 Aug - 03 Sep	Delta
20 Aug - 03 Sep	TUI	direct
13 Aug - 20 Aug	Delta
11 Aug - 18 Aug	Delta
06 Aug - 20 Aug	TUI	direct
10 Aug - 24 Aug	TUI	direct
13 Aug - 20 Aug	TUI	direct
10 Aug - 17 Aug	TUI	direct
03 Aug - 17 Aug	TUI	direct
13 Aug - 27 Aug	TUI	direct
13 Aug - 22 Aug	Delta

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 $563

Return flights