AirHint found the following cheapest return flights from Melbourne (MEL) to Istanbul (IST) in December 2025 (see full year).

Return flights

01 Dec - 31 Jan	Turkish Airlines
02 Dec - 12 Dec	Etihad Airways
02 Dec - 10 Jan	Etihad Airways
10 Dec - 17 Dec	China Southern
22 Dec - 16 Jan	Air China
03 Dec - 02 Jan	China Southern
19 Dec - 02 Jan	Air China
05 Dec - 23 Jan	Air China
10 Dec - 05 Jan	China Southern
13 Dec - 31 Dec	China Southern
24 Dec - 05 Jan	China Southern
24 Dec - 07 Jan	China Southern
18 Dec - 02 Jan	China Southern
06 Dec - 21 Dec	Etihad Airways
06 Dec - 28 Dec	Etihad Airways
30 Dec - 31 Dec	China Southern
31 Dec - 31 Dec	Emirates
26 Dec - 31 Dec	Emirates
21 Dec - 28 Dec	Thai Airways
14 Dec - 21 Dec	Turkish Airlines

Also check the deals for one-way flights from Melbourne 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 Melbourne to Istanbul in December from 1009€

Return flights