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

Return flights

10 Dec - 14 Dec	Wizz Air Malta
07 Dec - 14 Dec	Wizz Air Malta
02 Dec - 07 Dec	easyJet
01 Dec - 08 Dec	easyJet
04 Dec - 08 Dec	KLM
12 Dec - 20 Dec	Ryanair
19 Dec - 22 Dec	Ryanair
25 Dec - 01 Jan	Wizz Air
24 Dec - 27 Dec	Wizz Air Malta
23 Dec - 27 Dec	Wizz Air Malta
24 Dec - 28 Dec	Wizz Air Malta
25 Dec - 05 Jan	Wizz Air
26 Dec - 05 Jan	Wizz Air Malta
31 Dec - 04 Jan	Ryanair
27 Dec - 01 Jan	Wizz Air Malta
29 Dec - 03 Jan	Vueling Airlines
29 Dec - 04 Jan	KLM
27 Dec - 03 Jan	Wizz Air Malta

Also check the deals for one-way flights from Valencia 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 Valencia to Keflavik in December from 159€

Return flights