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

Return flights

02 May - 16 May	Ryanair
12 May - 19 May	Ryanair
07 May - 21 May	Ryanair
14 May - 20 May	Ryanair
19 May - 02 Jun	Ryanair
06 May - 19 May	Ryanair
23 May - 06 Jun	Ryanair
04 May - 14 May	Ryanair
05 May - 10 May	Ryanair
23 May - 27 May	Ryanair
06 May - 24 May	Ryanair
11 May - 25 May	Ryanair
13 May - 16 Jun	Ryanair
25 May - 14 Jun	Turkish Airlines
18 May - 01 Jun	Turkish Airlines
29 May - 05 Jun	Turkish Airlines
25 May - 08 Jun	Emirates
03 May - 07 Jun	Emirates
30 May - 17 Jun	Emirates

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 763€

Return flights