Cheapest return SYD–IST flights, September

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

Return flights

07 Sep - 16 Oct Asiana Airlines
08 Sep - 17 Sep Air China
15 Sep - 29 Oct Etihad Airways
06 Sep - 16 Sep AirAsia X
03 Sep - 19 Sep Asiana Airlines
09 Sep - 23 Sep China Southern
07 Sep - 24 Sep Asiana Airlines
14 Sep - 29 Oct Asiana Airlines
19 Sep - 31 Oct Etihad Airways
03 Sep - 07 Sep Korean Air
02 Sep - 07 Sep Etihad Airways
11 Sep - 17 Sep China Southern
08 Sep - 24 Sep Asiana Airlines
08 Sep - 13 Oct Asiana Airlines
16 Sep - 14 Oct Asiana Airlines
03 Sep - 20 Sep Etihad Airways
18 Sep - 16 Oct Asiana Airlines
13 Sep - 29 Oct Etihad Airways
20 Sep - 26 Oct Etihad Airways
14 Sep - 03 Oct Asiana Airlines

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

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