Cheapest return flights from Frankfurt to Keflavik in December from 209€

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

Return flights

08 Dec - 13 Dec Ryanair
01 Dec - 08 Dec Ryanair
06 Dec - 11 Dec Ryanair
06 Dec - 13 Dec Ryanair
13 Dec - 18 Dec Ryanair
13 Dec - 23 Dec Ryanair
09 Dec - 13 Dec Ryanair
01 Dec - 05 Dec Ryanair
08 Dec - 15 Dec Scandinavian Airlines
09 Dec - 15 Dec easyJet
31 Dec - 09 Jan Ryanair
29 Dec - 10 Jan Scandinavian Airlines
29 Dec - 08 Jan Scandinavian Airlines
24 Dec - 09 Jan Lufthansa
20 Dec - 06 Jan Ryanair
28 Dec - 09 Jan Ryanair
24 Dec - 01 Jan LOT
31 Dec - 06 Jan LOT
19 Dec - 06 Jan Lufthansa
29 Dec - 07 Jan Scandinavian Airlines

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

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