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

Return flights

31 Dec - 06 Jan	easyJet
06 Dec - 09 Dec	easyJet
15 Dec - 31 Dec	easyJet
31 Dec - 11 Jan	easyJet
03 Dec - 10 Dec	easyJet
02 Dec - 09 Dec	easyJet
06 Dec - 10 Dec	easyJet
01 Dec - 06 Dec	Ryanair
06 Dec - 15 Dec	easyJet
10 Dec - 12 Dec	easyJet
04 Dec - 09 Dec	easyJet
03 Dec - 08 Dec	Wizz Air
15 Dec - 09 Jan	easyJet
31 Dec - 01 Jan	Ryanair
31 Dec - 05 Jan	easyJet
29 Dec - 11 Jan	Scandinavian Airlines
19 Dec - 01 Jan	Wizz Air
31 Dec - 11 Jan	Icelandair	direct
31 Dec - 06 Jan	Icelandair	direct
30 Dec - 01 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Berlin 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 Berlin to Keflavik in December from 168€

Return flights