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	Jetstar
10 Aug - 14 Sep	AirAsia
02 Aug - 18 Aug	AirAsia
08 Aug - 14 Sep	AirAsia
08 Aug - 15 Sep	AirAsia
05 Aug - 22 Aug	IndiGo
05 Aug - 16 Aug	IndiGo
05 Aug - 19 Aug	IndiGo
09 Aug - 14 Sep	IndiGo
02 Aug - 13 Aug	IndiGo
26 Aug - 03 Sep	IndiGo
15 Aug - 29 Aug	IndiGo
27 Aug - 18 Sep	IndiGo
27 Aug - 12 Sep	IndiGo
09 Aug - 15 Sep	IndiGo
18 Aug - 25 Aug	IndiGo
16 Aug - 30 Aug	IndiGo
14 Aug - 27 Aug	IndiGo
01 Aug - 11 Aug	IndiGo
17 Aug - 24 Sep	IndiGo

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 $743

Return flights