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

Return flights

07 May - 19 May	Ryanair
05 May - 19 May	Wizz Air UK
07 May - 29 May	Ryanair
05 May - 17 May	Wizz Air UK
05 May - 21 May	Wizz Air UK
07 May - 14 May	Ryanair
14 May - 24 May	Vueling Airlines
04 May - 14 May	Wizz Air UK
02 May - 23 May	Vueling Airlines
17 May - 14 Jun	Ryanair
03 May - 17 May	Wizz Air UK
13 May - 03 Jun	Gulf Air
11 May - 01 Jun	Wizz Air UK
11 May - 14 Jun	Ryanair
25 May - 01 Jun	Singapore Airlines
31 May - 07 Jun	Qatar Airways
24 May - 21 Jun	Wizz Air UK
30 May - 03 Jun	Iberia
29 May - 04 Jun	Cathay Pacific
26 May - 10 Jun	Singapore Airlines

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 696€

Return flights