AirHint found the following cheapest return flights from London (LON) to Perth (PER) in December 2025 (see full year).

Return flights

25 Dec - 25 Jan	China Southern
25 Dec - 18 Jan	China Southern
27 Dec - 24 Jan	China Southern
29 Dec - 19 Jan	Hainan Airlines
29 Dec - 25 Jan	Ryanair
29 Dec - 26 Jan	Ryanair
27 Dec - 22 Jan	China Southern
21 Dec - 25 Jan	Oman Air
29 Dec - 27 Jan	Hainan Airlines
25 Dec - 21 Jan	Air China
26 Dec - 30 Dec	Norwegian Air Sweden AOC
23 Dec - 30 Dec	Scandinavian Airlines
22 Dec - 27 Dec	Air China
23 Dec - 25 Dec	Scandinavian Airlines
21 Dec - 26 Dec	Oman Air
25 Dec - 29 Dec	Gulf Air
22 Dec - 29 Dec	Air China
24 Dec - 31 Dec	Turkmenistan Airlines
21 Dec - 27 Dec	Turkish Airlines
24 Dec - 27 Dec	Cathay Pacific

Also check the deals for one-way flights from London to Perth 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 London to Perth in December from 758€

Return flights