Cheapest return flights from Frankfurt to Keflavik in December from 203€

Best time to book flights for Frankfurt (FRA) to Keflavik (KEF) flights at AirHint

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

Return flights

06 Dec - 13 Dec Ryanair
09 Dec - 13 Dec Ryanair
20 Dec - 26 Dec Ryanair
22 Dec - 29 Dec Ryanair
27 Dec - 03 Jan Ryanair
20 Dec - 27 Dec Ryanair
27 Dec - 05 Jan Ryanair
09 Dec - 12 Dec Lufthansa
27 Dec - 02 Jan Ryanair
21 Dec - 28 Dec Ryanair
26 Dec - 05 Jan Ryanair
26 Dec - 04 Jan Ryanair
25 Dec - 29 Dec LOT
06 Dec - 13 Dec Icelandair direct
09 Dec - 13 Dec Icelandair direct
31 Dec - 03 Jan Icelandair direct
23 Dec - 01 Jan Icelandair direct
26 Dec - 05 Jan Icelandair direct
26 Dec - 04 Jan Icelandair direct
30 Dec - 03 Jan Icelandair direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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