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

Return flights

20 Aug - 03 Sep	Virgin Atlantic
27 Aug - 03 Sep	Virgin Atlantic
20 Aug - 03 Sep	TUI	direct
27 Aug - 30 Aug	Virgin Atlantic
17 Aug - 27 Aug	Virgin Atlantic
09 Aug - 23 Aug	Virgin Atlantic
27 Aug - 03 Sep	TUI	direct
23 Aug - 06 Sep	American Airlines
13 Aug - 27 Aug	Virgin Atlantic
22 Aug - 25 Aug	Delta
17 Aug - 27 Aug	TUI	direct
24 Aug - 27 Aug	Delta
06 Aug - 17 Sep	Air Transat

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 550€

Return flights