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

Return flights

08 Apr - 22 Apr	KLM
15 Apr - 22 Apr	British Airways
01 Apr - 25 Apr	KLM
23 Apr - 26 Apr	British Airways
24 Apr - 27 Apr	British Airways
24 Apr - 11 May	British Airways
24 Apr - 04 May	SWISS
20 Apr - 26 Apr	British Airways
22 Apr - 09 May	SWISS
03 Apr - 18 Apr	KLM
15 Apr - 24 Apr	British Airways
29 Apr - 27 May	KLM
13 Apr - 26 Apr	British Airways
13 Apr - 11 May	KLM
07 Apr - 28 Apr	KLM
06 Apr - 04 May	SWISS
20 Apr - 05 May	Air Dolomiti
23 Apr - 07 May	SWISS
22 Apr - 11 May	KLM
08 Apr - 05 May	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 1208€

Return flights