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

Return flights

01 Apr - 15 Apr	KLM
08 Apr - 15 Apr	SWISS
20 Apr - 04 May	British Airways
20 Apr - 06 May	British Airways
20 Apr - 03 May	British Airways
02 Apr - 27 Apr	British Airways
13 Apr - 04 May	British Airways
15 Apr - 01 May	British Airways
14 Apr - 01 May	British Airways
01 Apr - 01 May	British Airways
17 Apr - 01 May	British Airways
01 Apr - 05 Apr	British Airways
07 Apr - 30 Apr	SWISS
06 Apr - 28 Apr	SWISS
06 Apr - 30 Apr	SWISS
06 Apr - 20 Apr	Lufthansa
20 Apr - 05 May	KLM
20 Apr - 07 May	KLM
04 Apr - 30 Apr	SWISS
01 Apr - 19 Apr	SWISS

Also check the deals for one-way flights from London to Perth in April.

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 April from 1099€

Return flights