AirHint found the following cheapest return flights from Rome (ROM) to Keflavik (KEF) in December 2026 (see full year).

Return flights

08 Dec - 12 Dec	easyJet
07 Dec - 10 Dec	Wizz Air Malta
02 Dec - 08 Dec	easyJet
01 Dec - 05 Dec	Wizz Air
05 Dec - 12 Dec	easyJet
06 Dec - 10 Dec	Wizz Air
09 Dec - 13 Dec	Wizz Air Malta
18 Dec - 25 Dec	Ryanair
19 Dec - 26 Dec	Wizz Air
06 Dec - 09 Dec	easyJet
24 Dec - 02 Jan	Wizz Air
28 Dec - 03 Jan	LOT
28 Dec - 08 Jan	LOT
30 Dec - 07 Jan	ITA Airways
31 Dec - 04 Jan	ITA Airways
26 Dec - 04 Jan	LOT
28 Dec - 06 Jan	ITA Airways
30 Dec - 06 Jan	easyJet
27 Dec - 02 Jan	ITA Airways
30 Dec - 01 Jan	Scandinavian Airlines

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

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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Cheapest return flights from Rome to Keflavik in December from $219

Return flights