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

Return flights

05 May - 19 May	Ryanair
08 May - 22 May	Pegasus Airlines
13 May - 22 May	Pegasus Airlines
06 May - 18 May	Ryanair
31 May - 11 Jun	Ryanair
08 May - 17 May	Pegasus Airlines
06 May - 22 May	Ryanair
01 May - 10 May	AJet
09 May - 23 May	AJet
01 May - 09 May	AJet
01 May - 19 May	AJet
10 May - 25 Jun	AJet
30 May - 13 Jun	Ryanair
26 May - 09 Jun	Turkish Airlines
08 May - 25 Jun	Pegasus Airlines
29 May - 12 Jun	Ryanair
28 May - 10 Jun	Pegasus Airlines
15 May - 30 Jun	AJet
23 May - 07 Jun	Ryanair
01 May - 30 Jun	AJet

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

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 May from $830

Return flights