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

Return flights

29 Aug - 14 Sep	Ryanair
24 Aug - 15 Sep	Ryanair
27 Aug - 13 Sep	Ryanair
23 Aug - 06 Sep	Ryanair
28 Aug - 04 Sep	Ryanair
18 Aug - 03 Sep	Ryanair
28 Aug - 19 Sep	Ryanair
28 Aug - 18 Sep	Ryanair
03 Aug - 17 Aug	Ryanair
18 Aug - 06 Sep	Ryanair
15 Aug - 05 Sep	Ryanair
14 Aug - 28 Aug	Ryanair
02 Aug - 27 Aug	Ryanair
03 Aug - 28 Aug	Ryanair
02 Aug - 29 Aug	Ryanair
07 Aug - 21 Aug	Ryanair
12 Aug - 31 Aug	Ryanair
10 Aug - 30 Aug	Ryanair
01 Aug - 14 Aug	Ryanair
04 Aug - 22 Aug	Ryanair

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

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 August from 788€

Return flights