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

Return flights

10 Dec - 17 Dec	KLM
11 Dec - 15 Dec	KLM
31 Dec - 07 Jan	easyJet
06 Dec - 15 Dec	KLM
06 Dec - 12 Dec	KLM
01 Dec - 05 Dec	Wizz Air
07 Dec - 09 Dec	Ryanair
11 Dec - 22 Dec	KLM
01 Dec - 07 Dec	KLM
06 Dec - 14 Dec	KLM
02 Dec - 06 Dec	easyJet
31 Dec - 04 Jan	easyJet
31 Dec - 03 Jan	easyJet
24 Dec - 04 Jan	Ryanair
22 Dec - 04 Jan	Wizz Air
24 Dec - 01 Jan	Eurowings
28 Dec - 09 Jan	Ryanair
26 Dec - 04 Jan	Wizz Air
20 Dec - 04 Jan	Ryanair
29 Dec - 04 Jan	Wizz Air

Also check the deals for one-way flights from Hamburg 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 Hamburg to Keflavik in December from 184€

Return flights