Cheapest return flights from Billund to Keflavik in December from 226€

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

Return flights

18 Dec - 25 Dec Wizz Air
19 Dec - 04 Jan Scandinavian Airlines

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

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