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

Return flights

03 Dec - 09 Dec	Wizz Air
03 Dec - 06 Dec	Wizz Air
02 Dec - 06 Dec	airBaltic
01 Dec - 05 Dec	Wizz Air
11 Dec - 17 Dec	Wizz Air
03 Dec - 08 Dec	Wizz Air
09 Dec - 17 Dec	Wizz Air
08 Dec - 17 Dec	Wizz Air
10 Dec - 16 Dec	Wizz Air
10 Dec - 18 Dec	Wizz Air
23 Dec - 01 Jan	Finnair
23 Dec - 04 Jan	Scandinavian Airlines
22 Dec - 04 Jan	LOT
31 Dec - 05 Jan	Ryanair
30 Dec - 05 Jan	airBaltic
21 Dec - 03 Jan	Wizz Air
23 Dec - 03 Jan	Scandinavian Airlines
19 Dec - 03 Jan	Scandinavian Airlines
30 Dec - 04 Jan	airBaltic
26 Dec - 01 Jan	Scandinavian Airlines

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 $219

Return flights