Cheapest return flights from Keflavik to Vilnius in December from $194

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

Return flights

06 Dec - 14 Dec SWISS
20 Dec - 11 Jan Finnair
25 Dec - 04 Jan LOT
20 Dec - 05 Jan Finnair
20 Dec - 02 Jan Finnair
29 Dec - 03 Jan Finnair
28 Dec - 02 Jan Wizz Air
22 Dec - 29 Dec Finnair
20 Dec - 29 Dec Scandinavian Airlines

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

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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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