AirHint found the following cheapest one-way flights from Lisbon (LIS) to Belgrade (BEG) in December 2025 (see full year).
One-Way flights
| 15 Dec | Ryanair | ||
| 24 Dec | easyJet | ||
| 25 Dec | easyJet | ||
| 22 Dec | Ryanair | ||
| 11 Dec | Vueling Airlines | ||
| 02 Dec | Ryanair | ||
| 06 Dec | Ryanair | ||
| 14 Dec | easyJet | ||
| 05 Dec | Wizz Air Malta | ||
| 27 Dec | Ryanair |
Also check the deals for return flights from Lisbon to Belgrade in December.
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