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

Return flights

09 Sep - 18 Sep	China Southern
07 Sep - 14 Sep	China Eastern
04 Sep - 11 Sep	China Southern
04 Sep - 08 Sep	China Southern
04 Sep - 18 Sep	China Southern
03 Sep - 15 Sep	Air China
03 Sep - 12 Sep	Air China
04 Sep - 14 Sep	China Eastern
03 Sep - 14 Sep	China Eastern
09 Sep - 22 Sep	China Southern
22 Sep - 28 Oct	China Southern
27 Sep - 29 Oct	Turkish Airlines
10 Sep - 14 Oct	China Eastern
29 Sep - 20 Oct	AirAsia X
22 Sep - 27 Oct	China Southern
07 Sep - 06 Oct	China Eastern
09 Sep - 05 Oct	China Eastern
09 Sep - 06 Oct	China Eastern
10 Sep - 15 Oct	China Eastern
11 Sep - 16 Oct	China Eastern

Also check the deals for one-way flights from Melbourne to London 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 Melbourne to London in September from 706€

Return flights