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

Return flights

11 Sep - 21 Oct	China Southern
10 Sep - 14 Sep	Turkish Airlines
27 Sep - 18 Oct	Turkish Airlines
07 Sep - 15 Sep	Air China
03 Sep - 08 Sep	Scoot Tigerair
16 Sep - 07 Oct	Jetstar
25 Sep - 12 Oct	Scoot Tigerair
25 Sep - 05 Oct	Scoot Tigerair
04 Sep - 21 Sep	Scoot Tigerair
11 Sep - 21 Sep	Scoot Tigerair
10 Sep - 20 Sep	Turkish Airlines
10 Sep - 16 Sep	Turkish Airlines
10 Sep - 23 Sep	Turkish Airlines
11 Sep - 20 Sep	Scoot Tigerair
28 Sep - 28 Oct	Qatar Airways
09 Sep - 15 Sep	China Southern
30 Sep - 29 Oct	Emirates
25 Sep - 24 Oct	Qatar Airways
27 Sep - 12 Oct	Scoot Tigerair
08 Sep - 15 Oct	Qatar Airways

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 $1076

Return flights