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

Return flights

04 Dec - 11 Dec	Scoot Tigerair
26 Dec - 18 Jan	Air China
01 Dec - 29 Dec	Turkish Airlines
01 Dec - 27 Dec	Turkish Airlines
01 Dec - 08 Dec	Turkish Airlines
29 Dec - 29 Jan	Turkish Airlines
03 Dec - 29 Dec	Turkish Airlines
03 Dec - 07 Dec	Turkish Airlines
01 Dec - 12 Jan	Turkish Airlines
26 Dec - 31 Jan	Turkish Airlines
03 Dec - 08 Jan	Turkish Airlines
17 Dec - 31 Dec	Air China
12 Dec - 31 Dec	Air China
11 Dec - 11 Jan	Scoot Tigerair
19 Dec - 16 Jan	Air China
19 Dec - 23 Jan	Air China
19 Dec - 02 Jan	Air China
22 Dec - 14 Jan	Air China
04 Dec - 06 Dec	Emirates
08 Dec - 30 Dec	Qatar Airways

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

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 December from $931

Return flights