Cheapest return flights from Frankfurt to Keflavik in December from 219€

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

01 Dec - 09 Dec Ryanair
01 Dec - 05 Dec Ryanair
08 Dec - 13 Dec Ryanair
05 Dec - 09 Dec Ryanair
06 Dec - 14 Dec Ryanair
13 Dec - 20 Dec Ryanair
12 Dec - 16 Dec Ryanair
09 Dec - 13 Dec Wizz Air
02 Dec - 09 Dec easyJet
10 Dec - 17 Dec Lufthansa
28 Dec - 24 Jan Ryanair
27 Dec - 06 Jan Ryanair
23 Dec - 01 Jan Ryanair
27 Dec - 02 Jan Ryanair
26 Dec - 01 Jan Ryanair
23 Dec - 01 Jan Icelandair direct
26 Dec - 01 Jan Icelandair direct
29 Dec - 05 Jan Lufthansa
26 Dec - 05 Jan Icelandair direct
28 Dec - 24 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik