AirHint found the following cheapest return flights from Sydney (SYD) to Istanbul (IST) in August 2026 (see full year).

Return flights

01 Aug - 31 Aug	Cebu Pacific
11 Aug - 11 Sep	Singapore Airlines
01 Aug - 09 Sep	VietJet Air
01 Aug - 21 Aug	AirAsia X
30 Aug - 31 Aug	AirAsia X
01 Aug - 01 Sep	VietJet Air
21 Aug - 26 Aug	Singapore Airlines
07 Aug - 28 Aug	VietJet Air
21 Aug - 21 Sep	Singapore Airlines
06 Aug - 09 Aug	Scoot
21 Aug - 28 Aug	VietJet Air
10 Aug - 15 Sep	Malaysia Airlines
17 Aug - 30 Sep	Singapore Airlines
09 Aug - 15 Aug	Malaysia Airlines
15 Aug - 22 Aug	Malaysia Airlines
08 Aug - 15 Aug	Malaysia Airlines
12 Aug - 15 Sep	Asiana Airlines
26 Aug - 02 Sep	Scoot
20 Aug - 20 Sep	Scoot
29 Aug - 19 Sep	VietJet Air

Also check the deals for one-way flights from Sydney 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 Sydney to Istanbul in August from $901

Return flights