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

Return flights

28 Dec - 18 Jan	Shenzhen Airlines
30 Dec - 02 Jan	Shenzhen Airlines
26 Dec - 29 Dec	China Eastern
07 Dec - 12 Dec	SriLankan Airlines
16 Dec - 29 Dec	Hainan Airlines
09 Dec - 15 Dec	SriLankan Airlines
07 Dec - 10 Dec	Hainan Airlines
15 Dec - 28 Jan	China Eastern
08 Dec - 23 Dec	China Eastern
07 Dec - 15 Dec	SriLankan Airlines
28 Dec - 14 Jan	Shenzhen Airlines
26 Dec - 31 Dec	Shenzhen Airlines
11 Dec - 19 Jan	China Eastern
14 Dec - 21 Dec	Hainan Airlines
08 Dec - 15 Dec	SriLankan Airlines
14 Dec - 14 Jan	China Eastern
28 Dec - 12 Jan	China Eastern
26 Dec - 02 Jan	Shenzhen Airlines
23 Dec - 02 Jan	Hainan Airlines
23 Dec - 12 Jan	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 929€

Return flights