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

Return flights

12 Dec - 13 Dec	easyJet	direct
12 Dec - 15 Dec	easyJet	direct
10 Dec - 11 Dec	easyJet	direct
03 Dec - 04 Dec	easyJet	direct
13 Dec - 14 Dec	easyJet	direct
27 Dec - 03 Jan	easyJet	direct
05 Dec - 07 Dec	easyJet	direct
27 Dec - 28 Dec	easyJet	direct
27 Dec - 27 Dec	easyJet	direct
28 Dec - 30 Dec	easyJet	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 61€

Return flights