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

Return flights

03 Dec - 10 Dec	Wizz Air
08 Dec - 11 Dec	Wizz Air
20 Dec - 25 Dec	LOT
05 Dec - 12 Dec	airBaltic
06 Dec - 09 Dec	LOT
06 Dec - 10 Dec	Wizz Air
03 Dec - 08 Dec	Wizz Air
30 Dec - 06 Jan	Finnair
03 Dec - 07 Dec	Wizz Air
03 Dec - 05 Dec	Wizz Air
30 Dec - 05 Jan	Finnair
01 Dec - 18 Dec	Ryanair
27 Dec - 05 Jan	Finnair
30 Dec - 03 Jan	Finnair
28 Dec - 03 Jan	Finnair
27 Dec - 04 Jan	Finnair
20 Dec - 03 Jan	Finnair

Also check the deals for one-way flights from Vilnius 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 Vilnius to Keflavik in December from 240€

Return flights