Cheapest return flights from Las Vegas to Keflavik in December from 815€

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

Return flights

28 Dec - 17 Jan Frontier Airlines
27 Dec - 17 Jan Porter Airlines (Canada) Ltd

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

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