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
07 Dec - 12 Dec	Wizz Air Malta
03 Dec - 08 Dec	KLM
07 Dec - 11 Dec	Wizz Air Malta
01 Dec - 06 Dec	easyJet
11 Dec - 14 Dec	Wizz Air Malta
04 Dec - 08 Dec	KLM
31 Dec - 08 Jan	easyJet
11 Dec - 13 Dec	Wizz Air Malta
01 Dec - 07 Dec	Ryanair
31 Dec - 07 Jan	easyJet
02 Dec - 06 Dec	easyJet
31 Dec - 04 Jan	easyJet
25 Dec - 05 Jan	Wizz Air
29 Dec - 06 Jan	Ryanair
30 Dec - 04 Jan	Air Europa
30 Dec - 02 Jan	Air Europa
29 Dec - 05 Jan	Ryanair
25 Dec - 03 Jan	Wizz Air
29 Dec - 04 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 183€

Return flights