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

Return flights

11 Dec - 15 Dec	KLM
01 Dec - 06 Dec	easyJet
01 Dec - 11 Dec	Vueling Airlines
13 Dec - 18 Dec	Ryanair
13 Dec - 16 Dec	Ryanair
02 Dec - 06 Dec	easyJet
04 Dec - 07 Dec	KLM
04 Dec - 10 Dec	KLM
06 Dec - 09 Dec	Ryanair
31 Dec - 09 Jan	easyJet
10 Dec - 14 Dec	easyJet
31 Dec - 04 Jan	easyJet
25 Dec - 06 Jan	Wizz Air
30 Dec - 04 Jan	Air Europa
25 Dec - 01 Jan	Wizz Air
28 Dec - 04 Jan	Wizz Air Malta
29 Dec - 01 Jan	Air Europa
28 Dec - 01 Jan	Wizz Air Malta
27 Dec - 04 Jan	Air Europa
29 Dec - 02 Jan	Air Europa

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 $212

Return flights