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

Return flights

31 Dec - 08 Jan	easyJet
31 Dec - 06 Jan	easyJet
31 Dec - 14 Jan	easyJet
08 Dec - 16 Dec	easyJet
10 Dec - 16 Dec	easyJet
13 Dec - 16 Dec	easyJet
06 Dec - 09 Dec	easyJet
06 Dec - 13 Dec	easyJet
08 Dec - 12 Dec	KLM
04 Dec - 12 Dec	KLM
03 Dec - 07 Dec	KLM
04 Dec - 07 Dec	KLM
06 Dec - 08 Dec	easyJet
18 Dec - 10 Jan	easyJet
29 Dec - 06 Jan	easyJet
21 Dec - 01 Jan	easyJet
30 Dec - 07 Jan	easyJet
31 Dec - 04 Jan	Scandinavian Airlines
25 Dec - 01 Jan	KLM
20 Dec - 01 Jan	easyJet

Also check the deals for one-way flights from Geneva to Keflavik 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Geneva to Keflavik in December from 158€

Return flights