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

Return flights

03 Dec - 07 Dec	easyJet
13 Dec - 18 Dec	easyJet
31 Dec - 06 Jan	easyJet
06 Dec - 13 Dec	easyJet
31 Dec - 07 Jan	easyJet
05 Dec - 13 Dec	easyJet
07 Dec - 15 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
06 Dec - 11 Dec	easyJet
04 Dec - 08 Dec	easyJet
06 Dec - 23 Dec	easyJet
01 Dec - 04 Dec	easyJet
18 Dec - 04 Jan	easyJet
29 Dec - 01 Jan	easyJet
24 Dec - 05 Jan	easyJet
24 Dec - 04 Jan	easyJet
26 Dec - 01 Jan	Eurowings
25 Dec - 01 Jan	easyJet
26 Dec - 06 Jan	easyJet
19 Dec - 04 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 145€

Return flights