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

Return flights

21 Apr - 27 Apr	British Airways
15 Apr - 22 Apr	British Airways
08 Apr - 22 Apr	British Airways
28 Apr - 06 May	British Airways
01 Apr - 17 Apr	British Airways
27 Apr - 29 May	KLM
17 Apr - 24 Apr	British Airways
28 Apr - 29 May	KLM
30 Apr - 29 May	KLM
29 Apr - 29 May	KLM
14 Apr - 13 May	KLM
06 Apr - 27 Apr	KLM
07 Apr - 05 May	Condor
07 Apr - 14 Apr	Condor
08 Apr - 16 Apr	Condor
07 Apr - 30 Apr	Condor
03 Apr - 17 Apr	KLM
20 Apr - 12 May	Condor

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 $1476

Return flights