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

Return flights

03 Oct - 17 Oct	Scoot Tigerair
01 Oct - 08 Oct	Scoot Tigerair
19 Oct - 09 Nov	Qatar Airways
19 Oct - 05 Nov	Qatar Airways
23 Oct - 06 Nov	Qatar Airways
27 Oct - 17 Nov	Qatar Airways
27 Oct - 02 Nov	Qatar Airways
20 Oct - 02 Nov	Qatar Airways
12 Oct - 03 Nov	Qatar Airways
19 Oct - 08 Nov	Qatar Airways
10 Oct - 03 Nov	Qatar Airways
31 Oct - 16 Nov	Virgin Australia
19 Oct - 26 Oct	Qatar Airways
03 Oct - 19 Oct	Etihad Airways
14 Oct - 25 Oct	Qatar Airways
12 Oct - 21 Oct	Qatar Airways
01 Oct - 19 Oct	Qatar Airways
07 Oct - 30 Oct	Qatar Airways
05 Oct - 19 Oct	Qatar Airways
02 Oct - 19 Oct	Qatar Airways

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

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 October from 873€

Return flights