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

Return flights

07 Aug - 30 Aug	Singapore Airlines
07 Aug - 31 Aug	Singapore Airlines
01 Aug - 08 Aug	China Southern
03 Aug - 16 Aug	China Southern
02 Aug - 16 Aug	China Southern
01 Aug - 05 Sep	China Southern
22 Aug - 12 Sep	China Southern
11 Aug - 18 Aug	Asiana Airlines
19 Aug - 09 Sep	Asiana Airlines
26 Aug - 16 Sep	Asiana Airlines
21 Aug - 26 Sep	China Southern
23 Aug - 03 Sep	Air China
20 Aug - 03 Sep	China Southern
04 Aug - 23 Sep	Virgin Australia
18 Aug - 02 Sep	China Southern

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 944€

Return flights