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

Return flights

08 Dec - 12 Dec	KLM
08 Dec - 15 Dec	KLM
10 Dec - 15 Dec	KLM
11 Dec - 17 Dec	KLM
04 Dec - 12 Dec	KLM
06 Dec - 15 Dec	easyJet
09 Dec - 15 Dec	easyJet
11 Dec - 19 Dec	KLM
05 Dec - 08 Dec	easyJet
01 Dec - 11 Dec	Wizz Air
31 Dec - 04 Jan	Ryanair
22 Dec - 05 Jan	Ryanair
21 Dec - 04 Jan	Ryanair
25 Dec - 01 Jan	LOT
23 Dec - 04 Jan	Ryanair
20 Dec - 01 Jan	Ryanair
21 Dec - 03 Jan	Ryanair
20 Dec - 04 Jan	Ryanair
25 Dec - 04 Jan	KLM
30 Dec - 05 Jan	Scandinavian Airlines

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Hamburg to Keflavik in December from $215

Return flights