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

Return flights

13 Dec - 16 Dec	easyJet
08 Dec - 13 Dec	easyJet
15 Dec - 18 Dec	easyJet
06 Dec - 13 Dec	easyJet
13 Dec - 15 Dec	easyJet
05 Dec - 11 Dec	easyJet
07 Dec - 12 Dec	easyJet
06 Dec - 07 Dec	easyJet
13 Dec - 18 Dec	easyJet
13 Dec - 14 Dec	easyJet
26 Dec - 02 Jan	British Airways
28 Dec - 01 Jan	Aer Lingus
27 Dec - 10 Jan	KLM
31 Dec - 04 Jan	British Airways
27 Dec - 01 Jan	British Airways
27 Dec - 02 Jan	British Airways
27 Dec - 04 Jan	KLM
26 Dec - 03 Jan	British Airways
28 Dec - 03 Jan	KLM

Also check the deals for one-way flights from Belfast to Geneva 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 Geneva in December from $148

Return flights