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

Return flights

07 Dec - 10 Dec	Wizz Air Malta
07 Dec - 12 Dec	Wizz Air Malta
09 Dec - 11 Dec	Wizz Air Malta
13 Dec - 17 Dec	easyJet
09 Dec - 13 Dec	Wizz Air Malta
09 Dec - 16 Dec	Ryanair
03 Dec - 10 Dec	easyJet
01 Dec - 08 Dec	easyJet
01 Dec - 05 Dec	easyJet
03 Dec - 07 Dec	KLM
31 Dec - 06 Jan	easyJet
30 Dec - 06 Jan	Wizz Air Malta
24 Dec - 01 Jan	Wizz Air Malta
28 Dec - 01 Jan	Ryanair
27 Dec - 05 Jan	Wizz Air Malta
31 Dec - 04 Jan	Ryanair
26 Dec - 06 Jan	KLM
28 Dec - 04 Jan	Ryanair
27 Dec - 02 Jan	Wizz Air Malta
27 Dec - 04 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 $171

Return flights