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

Return flights

19 Jan - 23 Jan	easyJet
17 Jan - 24 Jan	easyJet
14 Jan - 19 Jan	easyJet
07 Jan - 14 Jan	easyJet
14 Jan - 21 Jan	easyJet
16 Jan - 23 Jan	easyJet
26 Jan - 31 Jan	Ryanair
21 Jan - 26 Jan	Wizz Air Malta
23 Jan - 28 Jan	Ryanair
07 Jan - 11 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 148€

Return flights