Cheapest return flights from Naples to Keflavik in December from $273

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

Return flights

05 Dec - 09 Dec easyJet
06 Dec - 10 Dec Ryanair
04 Dec - 11 Dec Ryanair
22 Dec - 28 Dec Ryanair
31 Dec - 06 Jan easyJet
05 Dec - 08 Dec ITA Airways
25 Dec - 06 Jan easyJet
02 Dec - 09 Dec Ryanair
25 Dec - 31 Dec easyJet
29 Dec - 03 Jan Ryanair
31 Dec - 04 Jan easyJet
26 Dec - 02 Jan Ryanair
27 Dec - 29 Dec Transavia France
23 Dec - 27 Dec Iberia Express
26 Dec - 03 Jan easyJet

Also check the deals for one-way flights from Naples 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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