AirHint found the following cheapest return flights from Lisbon (LIS) to Belgrade (BEG) in December 2026 (see full year).
Return flights
| 22 Dec - 01 Jan | Lufthansa | ||
| 18 Dec - 26 Dec | Lufthansa | ||
| 22 Dec - 31 Dec | SWISS | ||
| 28 Dec - 03 Jan | Lufthansa |
Also check the deals for one-way flights from Lisbon to Belgrade in December.
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