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

Return flights

06 Dec - 13 Dec	easyJet
06 Dec - 09 Dec	easyJet
06 Dec - 08 Dec	easyJet
11 Dec - 18 Dec	easyJet
14 Dec - 17 Dec	easyJet
15 Dec - 21 Dec	easyJet
02 Dec - 13 Dec	easyJet
03 Dec - 10 Dec	easyJet
15 Dec - 16 Dec	easyJet
09 Dec - 13 Dec	easyJet
04 Dec - 29 Jan	easyJet
15 Dec - 31 Jan	easyJet
31 Dec - 06 Jan	Aer Lingus
31 Dec - 04 Jan	Aer Lingus
24 Dec - 07 Jan	easyJet
30 Dec - 06 Jan	Aer Lingus
24 Dec - 01 Jan	Aer Lingus
30 Dec - 05 Jan	Aer Lingus
27 Dec - 06 Jan	Aer Lingus
28 Dec - 01 Jan	Aer Lingus

Also check the deals for one-way flights from Belfast to Alicante 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 Alicante in December from $84

Return flights