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

Return flights

07 Dec - 19 Jan	Wizz Air UK
08 Dec - 18 Jan	Ryanair
01 Dec - 18 Jan	Ryanair
09 Dec - 31 Jan	Pegasus Airlines
03 Dec - 07 Dec	Wizz Air Malta
03 Dec - 10 Dec	Wizz Air Malta
10 Dec - 25 Jan	Ryanair
14 Dec - 18 Jan	Wizz Air UK
09 Dec - 13 Jan	Pegasus Airlines
13 Dec - 31 Jan	Ryanair
06 Dec - 14 Dec	Pegasus Airlines
01 Dec - 17 Jan	Ryanair
10 Dec - 14 Jan	Vueling Airlines
02 Dec - 05 Dec	Air India
02 Dec - 07 Dec	Vueling Airlines
02 Dec - 11 Dec	Vueling Airlines
12 Dec - 14 Dec	easyJet
03 Dec - 08 Dec	Wizz Air Malta
09 Dec - 16 Dec	Pegasus Airlines
06 Dec - 11 Dec	Ryanair

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 $840

Return flights