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

Return flights

09 Sep - 20 Sep	Hainan Airlines
23 Sep - 11 Oct	Hainan Airlines
02 Sep - 15 Sep	Hainan Airlines
02 Sep - 22 Sep	Hainan Airlines
23 Sep - 13 Oct	Hainan Airlines
15 Sep - 15 Oct	China Southern
13 Sep - 14 Oct	China Southern
17 Sep - 18 Oct	China Southern
21 Sep - 12 Oct	China Southern
22 Sep - 13 Oct	China Southern
23 Sep - 05 Oct	Air India
17 Sep - 10 Oct	Air India
21 Sep - 17 Oct	Air India
22 Sep - 29 Sep	Air India
23 Sep - 30 Sep	Air India
19 Sep - 26 Sep	Air India
09 Sep - 24 Sep	Air India
16 Sep - 27 Sep	Hainan Airlines
05 Sep - 26 Sep	Air India
09 Sep - 27 Sep	Hainan Airlines

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 710€

Return flights