AirHint found the following cheapest return flights from Belgrade (BEG) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 06 Dec - 10 Dec | Wizz Air | ||
| 04 Dec - 07 Dec | Wizz Air | ||
| 02 Dec - 09 Dec | Air Serbia | ||
| 03 Dec - 07 Dec | Wizz Air | ||
| 01 Dec - 15 Dec | Wizz Air | ||
| 18 Dec - 25 Dec | Wizz Air | ||
| 30 Dec - 05 Jan | LOT | ||
| 27 Dec - 04 Jan | Wizz Air |
Also check the deals for one-way flights from Belgrade to Keflavik in December.
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