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

Return flights

04 Sep - 09 Sep	China Eastern
17 Sep - 22 Oct	Air China
01 Sep - 07 Sep	China Eastern
04 Sep - 10 Sep	China Eastern
04 Sep - 03 Oct	China Southern
04 Sep - 11 Sep	China Eastern
13 Sep - 05 Oct	China Southern
04 Sep - 02 Oct	China Eastern
04 Sep - 04 Oct	China Eastern
17 Sep - 28 Sep	Air China
18 Sep - 16 Oct	China Eastern
18 Sep - 14 Oct	China Eastern
04 Sep - 06 Sep	China Eastern
05 Sep - 05 Oct	China Southern
01 Sep - 04 Sep	China Eastern
18 Sep - 03 Oct	China Southern
16 Sep - 22 Oct	Wizz Air Malta
05 Sep - 08 Sep	China Eastern
01 Sep - 08 Sep	China Eastern
01 Sep - 10 Sep	China Eastern

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

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 September from 582€

Return flights