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

Return flights

10 Dec - 24 Dec	easyJet
08 Dec - 12 Dec	easyJet
17 Dec - 28 Dec	LOT
22 Dec - 02 Jan	easyJet
15 Dec - 20 Dec	easyJet
17 Dec - 27 Dec	easyJet
22 Dec - 03 Jan	easyJet
22 Dec - 26 Dec	easyJet
18 Dec - 28 Dec	easyJet
22 Dec - 28 Dec	LOT
19 Dec - 28 Dec	Lufthansa
20 Dec - 30 Dec	Lufthansa
25 Dec - 01 Jan	easyJet
25 Dec - 03 Jan	easyJet

Also check the deals for one-way flights from Nice 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 Nice to Keflavik in December from 209€

Return flights