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

Return flights

04 Dec - 12 Dec	LOT
13 Dec - 20 Dec	easyJet
08 Dec - 13 Dec	easyJet
01 Dec - 15 Dec	Wizz Air
05 Dec - 13 Dec	easyJet
05 Dec - 09 Dec	easyJet
10 Dec - 17 Dec	easyJet
17 Dec - 30 Dec	easyJet
13 Dec - 19 Dec	easyJet
21 Dec - 26 Dec	LOT
31 Dec - 04 Jan	easyJet
27 Dec - 16 Jan	easyJet
29 Dec - 06 Jan	KLM
22 Dec - 02 Jan	easyJet
29 Dec - 06 Jan	Icelandair	direct
27 Dec - 16 Jan	Icelandair	direct
31 Dec - 04 Jan	Icelandair	direct
26 Dec - 03 Jan	easyJet
29 Dec - 02 Jan	KLM
27 Dec - 02 Jan	easyJet

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 207€

Return flights