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

Return flights

15 Dec - 30 Dec	easyJet
15 Dec - 29 Dec	easyJet
11 Dec - 16 Dec	easyJet
15 Dec - 06 Jan	easyJet
11 Dec - 15 Dec	easyJet
15 Dec - 27 Dec	easyJet
23 Dec - 30 Dec	Scandinavian Airlines
10 Dec - 15 Dec	easyJet
15 Dec - 04 Jan	easyJet
15 Dec - 23 Dec	easyJet
14 Dec - 17 Dec	easyJet
15 Dec - 22 Dec	easyJet
15 Dec - 01 Jan	easyJet
31 Dec - 09 Jan	LOT
15 Dec - 02 Jan	easyJet
24 Dec - 01 Jan	Icelandair	direct
15 Dec - 05 Jan	easyJet
15 Dec - 03 Jan	easyJet
30 Dec - 06 Jan	LOT
31 Dec - 07 Jan	LOT

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 284€

Return flights