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

Return flights

07 Dec - 12 Dec	Wizz Air Malta
01 Dec - 06 Dec	easyJet
07 Dec - 14 Dec	Wizz Air Malta
11 Dec - 14 Dec	Wizz Air Malta
03 Dec - 09 Dec	Vueling Airlines
01 Dec - 14 Dec	KLM
01 Dec - 07 Dec	KLM
05 Dec - 12 Dec	Volotea
31 Dec - 05 Jan	KLM
05 Dec - 09 Dec	Vueling Airlines
12 Dec - 14 Dec	Ryanair
25 Dec - 05 Jan	KLM
27 Dec - 01 Jan	Wizz Air Malta
30 Dec - 04 Jan	Air Europa
29 Dec - 04 Jan	KLM
28 Dec - 04 Jan	KLM
20 Dec - 03 Jan	easyJet
28 Dec - 02 Jan	easyJet
27 Dec - 04 Jan	Wizz Air Malta
27 Dec - 03 Jan	easyJet

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Valencia to Keflavik in December from $138

Return flights