AirHint found the following cheapest one-way flights from Belfast (BHD) to Berlin (BER) in December 2025 (see full year).
One-Way flights
| 31 Dec | Aer Lingus | ||
| 17 Dec | Aer Lingus | ||
| 21 Dec | Aer Lingus | ||
| 27 Dec | Aer Lingus |
Also check the deals for return flights from Belfast to Berlin in December.
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