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

Return flights

07 Dec - 12 Dec	Batik Air Malaysia
11 Dec - 18 Jan	Jetstar
02 Dec - 10 Dec	China Southern
02 Dec - 10 Jan	Sichuan Airlines
24 Dec - 18 Jan	Hainan Airlines
17 Dec - 04 Jan	Hainan Airlines
17 Dec - 06 Jan	Hainan Airlines
17 Dec - 24 Dec	Hainan Airlines
06 Dec - 30 Dec	Jetstar
04 Dec - 08 Dec	AirAsia X
20 Dec - 18 Jan	Hainan Airlines
29 Dec - 11 Jan	Beijing Capital Airlines
16 Dec - 31 Dec	China Eastern
24 Dec - 10 Jan	Hainan Airlines
15 Dec - 15 Jan	Jetstar
16 Dec - 30 Dec	China Eastern
19 Dec - 30 Dec	Thai Airways
11 Dec - 10 Jan	AirAsia X
06 Dec - 12 Dec	Air China
06 Dec - 31 Dec	China Eastern

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 $1269

Return flights