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

Return flights

01 Dec - 06 Dec	easyJet
31 Dec - 14 Jan	easyJet
11 Dec - 15 Dec	easyJet
03 Dec - 11 Dec	easyJet
06 Dec - 12 Dec	easyJet
13 Dec - 18 Dec	easyJet
13 Dec - 20 Dec	easyJet
05 Dec - 13 Dec	easyJet
11 Dec - 18 Dec	easyJet
12 Dec - 15 Dec	easyJet
15 Dec - 18 Dec	easyJet
31 Dec - 04 Jan	easyJet
25 Dec - 07 Jan	KLM
30 Dec - 06 Jan	Scandinavian Airlines
29 Dec - 07 Jan	easyJet
30 Dec - 03 Jan	Scandinavian Airlines
21 Dec - 04 Jan	easyJet
28 Dec - 01 Jan	easyJet
28 Dec - 05 Jan	easyJet
26 Dec - 06 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.

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Cheapest return flights from Geneva to Keflavik in December from 160€

Return flights