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

Return flights

31 Dec - 08 Jan	easyJet
11 Dec - 18 Dec	easyJet
15 Dec - 18 Dec	Ryanair
10 Dec - 22 Dec	easyJet
01 Dec - 05 Dec	Ryanair
31 Dec - 06 Jan	easyJet
12 Dec - 14 Dec	easyJet
12 Dec - 13 Dec	easyJet
11 Dec - 13 Dec	easyJet
10 Dec - 17 Dec	easyJet
12 Dec - 15 Dec	Transavia France
11 Dec - 23 Dec	easyJet
29 Dec - 04 Jan	LOT
26 Dec - 01 Jan	easyJet
26 Dec - 04 Jan	easyJet
31 Dec - 06 Jan	Icelandair	direct
25 Dec - 04 Jan	easyJet
27 Dec - 10 Jan	easyJet
29 Dec - 07 Jan	LOT
26 Dec - 03 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 163€

Return flights