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

Return flights

01 Dec - 06 Dec	Ryanair
24 Dec - 28 Dec	LOT
01 Dec - 08 Dec	Ryanair
03 Dec - 10 Dec	Scandinavian Airlines
04 Dec - 11 Dec	Scandinavian Airlines
31 Dec - 08 Jan	easyJet
22 Dec - 28 Dec	LOT
05 Dec - 08 Dec	Ryanair
08 Dec - 14 Dec	LOT
22 Dec - 04 Jan	LOT
12 Dec - 18 Dec	Ryanair
12 Dec - 17 Dec	easyJet
31 Dec - 09 Jan	easyJet
31 Dec - 07 Jan	easyJet
30 Dec - 08 Jan	easyJet
30 Dec - 09 Jan	easyJet
30 Dec - 07 Jan	easyJet
31 Dec - 09 Jan	Icelandair	direct
31 Dec - 08 Jan	Icelandair	direct
28 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 197€

Return flights