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

Return flights

01 Dec - 02 Dec	easyJet	direct
24 Dec - 26 Dec	easyJet	direct
04 Dec - 05 Dec	Aer Lingus	direct
17 Dec - 24 Dec	easyJet	direct
19 Dec - 23 Dec	easyJet	direct
06 Dec - 06 Dec	Aer Lingus	direct
31 Dec - 01 Jan	easyJet	direct
30 Dec - 31 Dec	Aer Lingus	direct
26 Dec - 30 Dec	easyJet	direct
20 Dec - 28 Dec	Aer Lingus	direct
21 Dec - 28 Dec	Aer Lingus	direct

Also check the deals for one-way flights from Belfast to Glasgow 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 Glasgow in December from 87€

Return flights