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

Return flights

13 Dec - 16 Dec	Ryanair
09 Dec - 11 Dec	Jet2
09 Dec - 12 Dec	easyJet
09 Dec - 16 Dec	easyJet
12 Dec - 16 Dec	Ryanair
10 Dec - 17 Dec	easyJet
08 Dec - 13 Dec	easyJet
13 Dec - 17 Dec	easyJet
14 Dec - 18 Dec	Wizz Air Malta
16 Dec - 30 Dec	Ryanair
23 Dec - 01 Jan	Wizz Air Malta
31 Dec - 05 Jan	Wizz Air
31 Dec - 03 Jan	Wizz Air
30 Dec - 02 Jan	Ryanair
29 Dec - 05 Jan	Ryanair
29 Dec - 02 Jan	Air Europa
29 Dec - 03 Jan	Ryanair
26 Dec - 06 Jan	Ryanair
26 Dec - 02 Jan	Wizz Air
26 Dec - 02 Jan	Icelandair	direct

Also check the deals for one-way flights from Alicante 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 Alicante to Keflavik in December from 176€

Return flights