Cheapest return flights from Istanbul to Sydney in September from $890

Best time to book flights for Istanbul (IST) to Sydney (SYD) flights at AirHint

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

Return flights

01 Sep - 07 Sep Pegasus Airlines
01 Sep - 22 Sep IndiGo
01 Sep - 14 Sep IndiGo
06 Sep - 14 Sep IndiGo
28 Sep - 05 Oct Singapore Airlines
01 Sep - 06 Sep IndiGo
23 Sep - 07 Oct IndiGo
24 Sep - 08 Oct IndiGo
07 Sep - 27 Oct IndiGo
21 Sep - 04 Oct Etihad Airways

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

Skyscanner

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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