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

Return flights

15 Dec - 25 Dec	Turkish Airlines
23 Dec - 09 Jan	Turkish Airlines
24 Dec - 09 Jan	Turkish Airlines
24 Dec - 10 Jan	Turkish Airlines
13 Dec - 08 Jan	Jetstar
08 Dec - 18 Dec	Emirates
09 Dec - 18 Dec	Emirates
18 Dec - 08 Jan	Jetstar
16 Dec - 25 Dec	Turkish Airlines
16 Dec - 26 Dec	Turkish Airlines
09 Dec - 19 Dec	Emirates
25 Dec - 27 Jan	Etihad Airways
26 Dec - 26 Jan	Etihad Airways
13 Dec - 20 Jan	Etihad Airways
21 Dec - 12 Jan	Turkish Airlines
07 Dec - 31 Jan	Etihad Airways

Also check the deals for one-way flights from Sydney to Belgrade 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 Belgrade in December from $1458

Return flights