AirHint found the following cheapest return flights from London (LHR) to Melbourne (MEL) in September 2026 (see full year).

Return flights

15 Sep - 27 Oct	China Southern
12 Sep - 20 Oct	China Southern
21 Sep - 12 Oct	China Southern
11 Sep - 20 Oct	China Southern
15 Sep - 29 Sep	Air India
04 Sep - 20 Sep	Hainan Airlines
17 Sep - 30 Sep	Air India
07 Sep - 28 Sep	Air India
16 Sep - 03 Oct	Air India
24 Sep - 04 Oct	Air India
02 Sep - 23 Sep	Air India
01 Sep - 23 Sep	Air India
15 Sep - 30 Sep	Air India
16 Sep - 23 Sep	Air India
04 Sep - 15 Sep	Hainan Airlines
07 Sep - 07 Oct	Air India
22 Sep - 06 Oct	Air India
23 Sep - 04 Oct	Air India
25 Sep - 15 Oct	Hainan Airlines
07 Sep - 24 Sep	Air India

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 $954

Return flights