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

Return flights

04 Dec - 15 Jan	Pegasus Airlines
02 Dec - 09 Dec	Pegasus Airlines
18 Dec - 16 Jan	Ryanair
18 Dec - 12 Jan	Ryanair
20 Dec - 23 Jan	Ryanair
20 Dec - 15 Jan	Ryanair
20 Dec - 12 Jan	Ryanair
20 Dec - 13 Jan	Ryanair
23 Dec - 20 Jan	Pegasus Airlines
15 Dec - 15 Jan	Ryanair
24 Dec - 14 Jan	Pegasus Airlines
09 Dec - 28 Dec	Ryanair
11 Dec - 25 Dec	Ryanair
10 Dec - 27 Dec	Ryanair
06 Dec - 30 Dec	Pegasus Airlines
11 Dec - 30 Dec	Pegasus Airlines
02 Dec - 16 Dec	Emirates
04 Dec - 25 Dec	Emirates
20 Dec - 30 Dec	Pegasus Airlines
03 Dec - 17 Dec	Emirates

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 $763

Return flights