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

Return flights

07 Dec - 29 Dec	Hainan Airlines
01 Dec - 02 Dec	Batik Air Malaysia
04 Dec - 08 Dec	Virgin Australia
02 Dec - 06 Dec	Cathay Pacific
01 Dec - 05 Dec	Cathay Pacific
03 Dec - 05 Dec	Japan Airlines
11 Dec - 24 Dec	Hainan Airlines
01 Dec - 31 Dec	Sichuan Airlines
07 Dec - 30 Dec	Hainan Airlines
03 Dec - 27 Jan	China Southern
02 Dec - 23 Dec	China Southern
26 Dec - 11 Jan	Shenzhen Airlines
16 Dec - 23 Jan	Hainan Airlines
04 Dec - 29 Jan	China Southern
05 Dec - 27 Jan	China Southern
28 Dec - 11 Jan	Shenzhen Airlines
28 Dec - 18 Jan	Shenzhen Airlines
26 Dec - 04 Jan	Shenzhen Airlines
15 Dec - 28 Jan	Batik Air Malaysia
02 Dec - 13 Jan	Virgin Australia

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 $1200

Return flights