AirHint found the following cheapest return flights from Belfast (BHD) to Berlin (BER) in December 2025 (see full year).

Return flights

17 Dec - 05 Jan	Aer Lingus
19 Dec - 24 Dec	Aer Lingus
22 Dec - 23 Dec	easyJet
20 Dec - 27 Dec	Aer Lingus
30 Dec - 01 Jan	Aer Lingus
17 Dec - 21 Dec	Aer Lingus
27 Dec - 31 Dec	Aer Lingus
28 Dec - 31 Dec	Aer Lingus
28 Dec - 02 Jan	Aer Lingus
30 Dec - 02 Jan	Aer Lingus
27 Dec - 02 Jan	Aer Lingus
20 Dec - 20 Dec	Aer Lingus

Also check the deals for one-way flights from Belfast to Berlin in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Belfast to Berlin in December from $260

Return flights