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

Return flights

06 Dec - 09 Dec	easyJet
12 Dec - 15 Dec	easyJet
06 Dec - 08 Dec	easyJet
08 Dec - 12 Dec	easyJet
05 Dec - 08 Dec	easyJet
06 Dec - 11 Dec	easyJet
12 Dec - 21 Dec	easyJet
17 Dec - 12 Jan	easyJet
18 Dec - 06 Jan	easyJet
31 Dec - 14 Jan	Lufthansa
12 Dec - 14 Dec	easyJet
09 Dec - 21 Dec	easyJet
04 Dec - 08 Dec	easyJet
29 Dec - 10 Jan	easyJet
29 Dec - 06 Jan	easyJet
31 Dec - 04 Jan	Scandinavian Airlines
24 Dec - 01 Jan	easyJet
30 Dec - 01 Jan	easyJet
27 Dec - 05 Jan	easyJet
30 Dec - 04 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 189€

Return flights