Cheapest return flights from Frankfurt to Keflavik in December from 328€

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

Return flights

31 Dec - 10 Jan LOT
22 Dec - 10 Jan HiSky Europe
31 Dec - 08 Jan LOT
30 Dec - 08 Jan LOT
24 Dec - 26 Dec Condor
31 Dec - 07 Jan Finnair
22 Dec - 04 Jan HiSky Europe
26 Dec - 11 Jan LOT
22 Dec - 26 Dec Scandinavian Airlines
22 Dec - 01 Jan Ryanair
27 Dec - 07 Jan Ryanair
31 Dec - 06 Jan LOT
23 Dec - 26 Dec Ryanair
25 Dec - 28 Dec Lufthansa
24 Dec - 27 Dec Lufthansa
21 Dec - 29 Dec easyJet
23 Dec - 30 Dec Ryanair
27 Dec - 30 Dec Ryanair
24 Dec - 31 Dec easyJet
23 Dec - 28 Dec LOT

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

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