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

Return flights

05 Aug - 07 Sep	Scoot Tigerair
09 Aug - 14 Sep	Jetstar
03 Aug - 19 Aug	AirAsia
09 Aug - 15 Sep	AirAsia
09 Aug - 26 Sep	Jetstar
08 Aug - 15 Sep	AirAsia
15 Aug - 22 Aug	AirAsia
09 Aug - 28 Sep	Jetstar
08 Aug - 14 Sep	IndiGo
10 Aug - 14 Sep	IndiGo
22 Aug - 29 Aug	IndiGo
14 Aug - 19 Sep	Qantas
02 Aug - 19 Aug	IndiGo
22 Aug - 15 Sep	IndiGo
06 Aug - 18 Aug	IndiGo
05 Aug - 09 Aug	IndiGo
12 Aug - 24 Aug	IndiGo
05 Aug - 12 Aug	IndiGo
14 Aug - 31 Aug	Emirates

Also check the deals for one-way flights from Perth to Istanbul 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 Perth to Istanbul in August from 662€

Return flights