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

Return flights

15 Dec - 03 Jan	Turkish Airlines
15 Dec - 05 Jan	Turkish Airlines
26 Dec - 26 Jan	Turkish Airlines
22 Dec - 03 Jan	Turkish Airlines
22 Dec - 19 Jan	Turkish Airlines
22 Dec - 13 Jan	Turkish Airlines
08 Dec - 22 Dec	Qatar Airways
15 Dec - 27 Dec	Turkish Airlines
12 Dec - 16 Jan	Turkish Airlines
12 Dec - 02 Jan	Turkish Airlines
13 Dec - 02 Jan	Turkish Airlines
13 Dec - 03 Jan	Turkish Airlines

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 1242€

Return flights