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

Return flights

13 Dec - 15 Dec	Wizz Air Malta
13 Dec - 17 Dec	Wizz Air Malta
11 Dec - 14 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
21 Dec - 27 Dec	Ryanair
23 Dec - 28 Dec	Ryanair
31 Dec - 06 Jan	Ryanair
22 Dec - 27 Dec	Ryanair
24 Dec - 28 Dec	Iberia
22 Dec - 28 Dec	Ryanair
28 Dec - 06 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Air Europa
28 Dec - 02 Jan	Wizz Air
29 Dec - 04 Jan	Iberia
26 Dec - 05 Jan	Wizz Air
26 Dec - 02 Jan	Wizz Air
27 Dec - 03 Jan	Ryanair

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 $261

Return flights