Cheapest return flights from Luxemburg to Keflavik in December from 302€

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

Return flights

10 Dec - 17 Dec easyJet
11 Dec - 13 Dec Luxair
14 Dec - 19 Dec Ryanair
11 Dec - 18 Dec Lufthansa
31 Dec - 04 Jan KLM
29 Dec - 05 Jan easyJet
26 Dec - 31 Dec Lufthansa
23 Dec - 01 Jan Ryanair
26 Dec - 30 Dec SWISS

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

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