AirHint found the following cheapest return flights from Sydney (SYD) to Istanbul (SAW) in September 2025 (see full year).

Return flights

30 Sep - 31 Oct	Scoot
17 Sep - 24 Sep	VietJet Air
21 Sep - 30 Oct	Scoot
24 Sep - 13 Oct	VietJet Air
15 Sep - 14 Oct	Philippine Airlines
30 Sep - 06 Oct	Hainan Airlines
19 Sep - 10 Oct	VietJet Air
20 Sep - 11 Oct	Scoot
18 Sep - 25 Sep	Batik Air Malaysia
20 Sep - 10 Oct	Scoot
19 Sep - 26 Sep	VietJet Air
21 Sep - 11 Oct	Scoot
14 Sep - 04 Oct	AirAsia X
15 Sep - 28 Sep	Qatar Airways
20 Sep - 28 Sep	Emirates
21 Sep - 24 Sep	Qatar Airways
16 Sep - 30 Sep	Etihad Airways
22 Sep - 25 Sep	Virgin Australia
23 Sep - 27 Sep	Qantas
21 Sep - 28 Sep	Qatar Airways

Also check the deals for one-way flights from Sydney to Istanbul in September.

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 September from 881€

Return flights