AirHint found the following cheapest return flights from Belfast (BHD) to Tallinn (TLL) in December 2025 (see full year).
Return flights
| 02 Dec - 06 Dec | easyJet | ||
| 11 Dec - 17 Dec | KLM | ||
| 12 Dec - 14 Dec | KLM | ||
| 26 Dec - 30 Dec | Aer Lingus | ||
| 30 Dec - 02 Jan | Aer Lingus |
Also check the deals for one-way flights from Belfast to Tallinn in December.
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