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

Return flights

07 May - 16 May	Wizz Air UK
11 May - 16 May	Ryanair
11 May - 17 May	Wizz Air UK
06 May - 20 May	Wizz Air UK
05 May - 20 May	Wizz Air UK
09 May - 23 May	Wizz Air UK
18 May - 22 May	Wizz Air Malta
18 May - 08 Jun	Wizz Air UK
11 May - 23 May	Wizz Air UK
05 May - 17 May	Wizz Air UK
01 May - 16 May	Wizz Air UK
26 May - 07 Jun	Wizz Air UK
26 May - 02 Jun	Wizz Air UK
29 May - 12 Jun	easyJet
21 May - 04 Jun	Wizz Air UK
30 May - 14 Jun	easyJet
19 May - 09 Jun	easyJet
29 May - 14 Jun	easyJet
18 May - 01 Jun	easyJet
23 May - 06 Jun	Ryanair

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 733€

Return flights