Cheapest return flights from Rome to Keflavik in December from $253

Best time to book flights for Rome (FCO) to Keflavik (KEF) flights at AirHint

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

Return flights

10 Dec - 18 Dec Vueling Airlines
15 Dec - 18 Dec ITA Airways
06 Dec - 10 Dec easyJet
31 Dec - 07 Jan Wizz Air Malta
07 Dec - 10 Dec Wizz Air Malta
15 Dec - 20 Dec ITA Airways
11 Dec - 19 Dec Wizz Air Malta
01 Dec - 12 Dec Wizz Air Malta
31 Dec - 06 Jan Wizz Air Malta
14 Dec - 17 Dec easyJet
06 Dec - 09 Dec easyJet
05 Dec - 08 Dec Ryanair
27 Dec - 03 Jan Wizz Air Malta
23 Dec - 01 Jan Lufthansa
27 Dec - 06 Jan Wizz Air Malta
30 Dec - 07 Jan KLM
29 Dec - 03 Jan Wizz Air Malta
29 Dec - 04 Jan Wizz Air Malta
27 Dec - 01 Jan Lufthansa
28 Dec - 02 Jan Finnair

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

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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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