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

Return flights

21 Apr - 12 May	Ryanair
24 Apr - 09 May	Pegasus Airlines
21 Apr - 10 May	Ryanair
12 Apr - 26 Apr	Ryanair
20 Apr - 10 May	AJet
22 Apr - 25 Apr	Ryanair
21 Apr - 14 May	Ryanair
26 Apr - 09 May	Pegasus Airlines
21 Apr - 05 May	Ryanair
21 Apr - 08 May	Ryanair
26 Apr - 10 May	Pegasus Airlines
23 Apr - 10 May	Pegasus Airlines
11 Apr - 25 Apr	Ryanair
07 Apr - 26 Apr	Ryanair
07 Apr - 28 Apr	Ryanair
07 Apr - 21 Apr	Ryanair
11 Apr - 26 Apr	Ryanair
21 Apr - 26 Apr	Ryanair
21 Apr - 27 Apr	Ryanair
04 Apr - 25 Apr	Ryanair

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 $840

Return flights