AirHint found the following cheapest one-way flights from Lisbon (LIS) to Belgrade (BEG) in December 2025 (see full year).
One-Way flights
| 17 Dec | easyJet | ||
| 13 Dec | Ryanair | ||
| 16 Dec | easyJet | ||
| 22 Dec | Ryanair | ||
| 15 Dec | Ryanair | ||
| 10 Dec | Ryanair | ||
| 18 Dec | Ryanair | ||
| 24 Dec | Iberia | ||
| 12 Dec | Ryanair | ||
| 19 Dec | Ryanair |
Also check the deals for return flights from Lisbon to Belgrade in December.
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