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

Return flights

26 May - 02 Jun	AirAsia
21 May - 05 Jun	AirAsia
05 May - 02 Jun	AirAsia
28 May - 19 Jun	AirAsia
14 May - 27 May	AirAsia
20 May - 10 Jun	AirAsia
22 May - 14 Jun	AirAsia
01 May - 25 May	AirAsia
27 May - 08 Jun	Batik Air Malaysia
02 May - 25 May	AirAsia
13 May - 03 Jun	Jetstar
06 May - 24 May	Jetstar
28 May - 22 Jun	AirAsia
05 May - 12 May	AirAsia
07 May - 14 May	Batik Air Malaysia
01 May - 22 May	AirAsia
01 May - 30 May	AirAsia
05 May - 19 May	Cathay Pacific
22 May - 29 May	Turkish Airlines
29 May - 12 Jun	AirAsia

Also check the deals for one-way flights from Perth to London 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 Perth to London in May from 699€

Return flights