Cheapest return flights from Los Angeles to Keflavik in December from 718€

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

Return flights

12 Dec - 15 Dec Frontier Airlines
20 Dec - 10 Jan Frontier Airlines
15 Dec - 24 Dec Spirit Airlines
21 Dec - 10 Jan Frontier Airlines
31 Dec - 08 Jan Scandinavian Airlines
19 Dec - 10 Jan Sun Country Airlines
19 Dec - 29 Dec Sun Country Airlines

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

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