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

Return flights

10 Dec - 25 Jan	VietJet Air
29 Dec - 15 Jan	Scoot Tigerair
01 Dec - 31 Dec	Qatar Airways
01 Dec - 20 Dec	Qatar Airways
25 Dec - 15 Jan	Thai Airways
28 Dec - 22 Jan	AirAsia X
01 Dec - 28 Dec	Qatar Airways
15 Dec - 12 Jan	Garuda Indonesia
30 Dec - 15 Jan	Qatar Airways
07 Dec - 25 Dec	Qatar Airways
06 Dec - 13 Dec	Qatar Airways
27 Dec - 18 Jan	Qatar Airways
31 Dec - 15 Jan	Qatar Airways
24 Dec - 15 Jan	Qatar Airways
24 Dec - 14 Jan	Qatar Airways
10 Dec - 19 Dec	Qatar Airways
15 Dec - 21 Dec	Qatar Airways
11 Dec - 28 Dec	Qatar Airways
12 Dec - 29 Dec	Qatar Airways
11 Dec - 19 Dec	Qatar Airways

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

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 December from 1171€

Return flights