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

Return flights

31 Dec - 08 Jan	Lufthansa
24 Dec - 27 Dec	ITA Airways
23 Dec - 31 Dec	easyJet
15 Dec - 16 Dec	easyJet
16 Dec - 17 Dec	easyJet
22 Dec - 31 Dec	easyJet
19 Dec - 06 Jan	easyJet
21 Dec - 31 Dec	easyJet
23 Dec - 27 Dec	easyJet
22 Dec - 24 Dec	KLM
22 Dec - 25 Dec	KLM
18 Dec - 27 Dec	easyJet
29 Dec - 15 Jan	Lufthansa
31 Dec - 07 Jan	easyJet
29 Dec - 16 Jan	Lufthansa
29 Dec - 06 Jan	ITA Airways
31 Dec - 01 Jan	easyJet
29 Dec - 07 Jan	ITA Airways
28 Dec - 01 Jan	Lufthansa
26 Dec - 08 Jan	easyJet

Also check the deals for one-way flights from Milan 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 Milan to Keflavik in December from $412

Return flights