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

Return flights

02 Apr - 15 Apr	KLM
08 Apr - 22 Apr	British Airways
23 Apr - 14 May	SWISS
06 Apr - 12 Apr	KLM
13 Apr - 27 Apr	KLM
15 Apr - 03 May	SWISS
21 Apr - 05 May	SWISS
07 Apr - 28 Apr	SWISS
14 Apr - 26 May	SWISS
20 Apr - 04 May	SWISS
27 Apr - 06 May	British Airways
15 Apr - 27 Apr	KLM
01 Apr - 22 Apr	British Airways
22 Apr - 26 Apr	British Airways
02 Apr - 19 Apr	British Airways
29 Apr - 03 May	British Airways
28 Apr - 03 May	British Airways
23 Apr - 10 May	British Airways
02 Apr - 14 Apr	British Airways
22 Apr - 04 May	British Airways

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 1116€

Return flights