AirHint found the following cheapest return flights from Riga (RIX) to Belgrade (BEG) in December 2025 (see full year).
Return flights
| 12 Dec - 14 Dec | Norwegian Air Sweden AOC | ||
| 08 Dec - 13 Dec | Norwegian Air Sweden AOC | ||
| 18 Dec - 20 Dec | Ryanair | ||
| 19 Dec - 26 Dec | Ryanair | ||
| 24 Dec - 01 Jan | LOT | ||
| 27 Dec - 30 Dec | Ryanair | ||
| 30 Dec - 01 Jan | LOT |
Also check the deals for one-way flights from Riga to Belgrade in December.
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