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

Return flights

01 Dec - 05 Dec	easyJet
02 Dec - 06 Dec	easyJet
08 Dec - 16 Dec	easyJet
05 Dec - 08 Dec	easyJet
01 Dec - 06 Dec	easyJet
23 Dec - 28 Dec	LOT
24 Dec - 28 Dec	LOT
23 Dec - 01 Jan	LOT
25 Dec - 04 Jan	LOT
22 Dec - 26 Dec	easyJet
18 Dec - 26 Dec	Wizz Air
25 Dec - 31 Dec	Wizz Air
30 Dec - 02 Jan	British Airways
29 Dec - 02 Jan	Wizz Air
27 Dec - 03 Jan	Scandinavian Airlines
28 Dec - 03 Jan	easyJet

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 169€

Return flights