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

Return flights

01 Dec - 19 Jan	Cathay Pacific
03 Dec - 17 Dec	Wizz Air UK
01 Dec - 09 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
03 Dec - 29 Dec	Wizz Air UK
01 Dec - 06 Dec	SWISS
03 Dec - 20 Dec	SKY express
07 Dec - 22 Jan	Cathay Pacific
02 Dec - 30 Dec	Wizz Air Malta
02 Dec - 25 Dec	Cathay Pacific
01 Dec - 11 Jan	Cathay Pacific
01 Dec - 12 Dec	Ryanair
04 Dec - 07 Dec	Wizz Air UK
03 Dec - 12 Jan	Cathay Pacific
04 Dec - 10 Jan	Ryanair
09 Dec - 08 Jan	Wizz Air Malta
09 Dec - 06 Jan	Wizz Air Malta
28 Dec - 14 Jan	easyJet
08 Dec - 27 Jan	Etihad Airways
01 Dec - 04 Jan	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 $1035

Return flights