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

Return flights

26 Dec - 30 Dec	Wizz Air
29 Dec - 04 Jan	Wizz Air
31 Dec - 04 Jan	Eurowings
26 Dec - 31 Dec	Wizz Air
23 Dec - 04 Jan	easyJet
22 Dec - 25 Dec	LOT
31 Dec - 07 Jan	easyJet
25 Dec - 28 Dec	Eurowings
28 Dec - 30 Dec	Ryanair
23 Dec - 27 Dec	easyJet
22 Dec - 28 Dec	LOT
30 Dec - 04 Jan	easyJet
25 Dec - 01 Jan	Eurowings
26 Dec - 01 Jan	Wizz Air
26 Dec - 03 Jan	Wizz Air
28 Dec - 04 Jan	Ryanair
24 Dec - 03 Jan	Wizz Air
23 Dec - 28 Dec	Eurowings

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 354€

Return flights