AirHint found the following cheapest return flights from Newcastle (NCL) to Perth (PER) in August 2025 (see full year).

Return flights

29 Aug - 05 Sep	Ryanair
27 Aug - 17 Sep	Jet2
28 Aug - 04 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
31 Aug - 07 Sep	easyJet
25 Aug - 31 Aug	Ryanair
26 Aug - 02 Sep	Ryanair
27 Aug - 03 Sep	Ryanair
30 Aug - 06 Sep	Ryanair
24 Aug - 31 Aug	easyJet
19 Aug - 02 Sep	Ryanair
23 Aug - 06 Sep	Jet2
22 Aug - 29 Aug	SunExpress
20 Aug - 27 Aug	Jet2
23 Aug - 30 Aug	Jet2
21 Aug - 28 Aug	Ryanair
19 Aug - 26 Aug	SunExpress

Also check the deals for one-way flights from Newcastle 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 Newcastle to Perth in August from $1131

Return flights