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

Return flights

12 Dec - 15 Dec	easyJet
05 Dec - 08 Dec	easyJet
05 Dec - 12 Dec	easyJet
30 Dec - 09 Jan	easyJet
01 Dec - 07 Dec	KLM
11 Dec - 18 Dec	easyJet
09 Dec - 12 Dec	easyJet
02 Dec - 05 Dec	easyJet
12 Dec - 19 Dec	easyJet
16 Dec - 23 Dec	easyJet
16 Dec - 21 Dec	easyJet
18 Dec - 04 Jan	easyJet
20 Dec - 04 Jan	easyJet
29 Dec - 01 Jan	easyJet
23 Dec - 09 Jan	easyJet
30 Dec - 03 Jan	easyJet
30 Dec - 02 Jan	easyJet
20 Dec - 03 Jan	easyJet
23 Dec - 02 Jan	easyJet
30 Dec - 09 Jan	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Alicante 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 Reykjavik to Alicante in December from $152

Return flights