AirHint found the following cheapest return flights from London (LCY) to Perth (PER) in December 2026 (see full year).

Return flights

04 Dec - 06 Dec	British Airways
03 Dec - 10 Dec	British Airways
02 Dec - 09 Dec	British Airways
08 Dec - 30 Dec	KLM
01 Dec - 06 Dec	British Airways
09 Dec - 19 Jan	British Airways
10 Dec - 15 Jan	Lufthansa
15 Dec - 30 Dec	ITA Airways
01 Dec - 15 Dec	British Airways
10 Dec - 28 Dec	British Airways
10 Dec - 12 Jan	British Airways
09 Dec - 28 Dec	British Airways
16 Dec - 15 Jan	Lufthansa
11 Dec - 28 Dec	British Airways
04 Dec - 22 Jan	KLM
29 Dec - 19 Jan	British Airways
28 Dec - 17 Jan	British Airways
28 Dec - 18 Jan	British Airways
28 Dec - 13 Jan	British Airways
28 Dec - 14 Jan	British Airways

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 1060€

Return flights