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

Return flights

12 Dec - 15 Dec	British Airways
05 Dec - 10 Dec	British Airways
14 Dec - 18 Dec	Wizz Air Malta
23 Dec - 30 Dec	Vueling Airlines
16 Dec - 21 Dec	Ryanair
17 Dec - 21 Dec	Ryanair
08 Dec - 15 Dec	Air Europa
18 Dec - 23 Dec	Ryanair
25 Dec - 30 Dec	Wizz Air
25 Dec - 04 Jan	Wizz Air
18 Dec - 22 Dec	Wizz Air Malta
28 Dec - 01 Jan	Air Europa
29 Dec - 03 Jan	Vueling Airlines
29 Dec - 02 Jan	Vueling Airlines
26 Dec - 03 Jan	Ryanair
26 Dec - 02 Jan	Vueling Airlines
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 223€

Return flights