AirHint found the following cheapest return flights from Belgrade (BEG) to Sydney (SYD) in December 2026 (see full year).
Return flights
| 20 Dec - 12 Jan | China Southern | ||
| 20 Dec - 19 Jan | Aegean Airlines | ||
| 20 Dec - 18 Jan | Air Serbia | ||
| 20 Dec - 11 Jan | Aegean Airlines |
Also check the deals for one-way flights from Belgrade to Sydney in December.
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