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

Return flights

09 Dec - 26 Jan	Wizz Air UK
02 Dec - 07 Dec	Wizz Air UK
02 Dec - 11 Dec	Wizz Air UK
07 Dec - 19 Jan	Wizz Air UK
02 Dec - 12 Jan	Wizz Air UK
08 Dec - 12 Jan	Wizz Air UK
01 Dec - 05 Dec	Wizz Air UK
01 Dec - 08 Dec	Wizz Air UK
07 Dec - 17 Jan	Wizz Air UK
01 Dec - 07 Dec	Wizz Air UK
09 Dec - 11 Jan	Wizz Air UK
02 Dec - 27 Jan	Air China
03 Dec - 14 Dec	Wizz Air UK
07 Dec - 14 Dec	Wizz Air UK
09 Dec - 14 Dec	Wizz Air UK
01 Dec - 15 Dec	Wizz Air UK
01 Dec - 10 Dec	Wizz Air UK
03 Dec - 07 Jan	Wizz Air UK
09 Dec - 09 Jan	Wizz Air UK
15 Dec - 13 Jan	easyJet

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 728€

Return flights