AirHint found the following cheapest return flights from Naples (NAP) to Keflavik (KEF) in January 2026 (see full year).

Return flights

16 Jan - 19 Jan	Ryanair
28 Jan - 04 Feb	easyJet
12 Jan - 16 Jan	Ryanair
28 Jan - 03 Feb	Wizz Air Malta
22 Jan - 25 Jan	easyJet
27 Jan - 03 Feb	Vueling Airlines
19 Jan - 25 Jan	easyJet
25 Jan - 01 Feb	KLM
22 Jan - 26 Jan	Ryanair
15 Jan - 25 Jan	easyJet
21 Jan - 28 Jan	easyJet
09 Jan - 14 Jan	Ryanair
30 Jan - 02 Feb	Ryanair
09 Jan - 16 Jan	easyJet
30 Jan - 01 Feb	Ryanair
06 Jan - 13 Jan	ITA Airways

Also check the deals for one-way flights from Naples to Keflavik in January.

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 Naples to Keflavik in January from $196

Return flights