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

Return flights

06 Dec - 09 Dec	easyJet
03 Dec - 06 Dec	easyJet
05 Dec - 09 Dec	easyJet
10 Dec - 15 Dec	easyJet
01 Dec - 06 Dec	easyJet
13 Dec - 17 Dec	easyJet
06 Dec - 10 Dec	easyJet
03 Dec - 10 Dec	easyJet
05 Dec - 10 Dec	easyJet
06 Dec - 08 Dec	easyJet
15 Dec - 06 Jan	LOT
24 Dec - 01 Jan	LOT
23 Dec - 03 Jan	easyJet
29 Dec - 01 Jan	Scandinavian Airlines
30 Dec - 01 Jan	Scandinavian Airlines
31 Dec - 01 Jan	easyJet
27 Dec - 01 Jan	Scandinavian Airlines
31 Dec - 05 Jan	Lufthansa
30 Dec - 03 Jan	Scandinavian Airlines
27 Dec - 03 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Munich 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 Munich to Keflavik in December from $230

Return flights