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

Return flights

06 Aug - 31 Aug	Singapore Airlines
06 Aug - 30 Aug	Singapore Airlines
21 Aug - 05 Sep	Asiana Airlines
07 Aug - 14 Aug	Singapore Airlines
06 Aug - 17 Aug	China Southern
15 Aug - 17 Sep	China Southern
14 Aug - 17 Sep	China Southern
14 Aug - 11 Sep	China Southern
21 Aug - 31 Aug	ANA
02 Aug - 03 Sep	Turkish Airlines
01 Aug - 29 Aug	Etihad Airways
02 Aug - 15 Aug	Korean Air
31 Aug - 28 Sep	China Southern
26 Aug - 24 Sep	China Southern
29 Aug - 25 Sep	China Southern
23 Aug - 23 Sep	China Southern
19 Aug - 09 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 $1048

Return flights