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

Return flights

25 Oct - 29 Oct	easyJet
18 Oct - 28 Oct	Ryanair
16 Oct - 19 Oct	Ryanair
15 Oct - 19 Oct	Ryanair
09 Oct - 14 Oct	Lufthansa
13 Oct - 19 Oct	Wizz Air Malta
16 Oct - 23 Oct	Ryanair
17 Oct - 26 Oct	Ryanair
20 Oct - 26 Oct	Ryanair
24 Oct - 26 Oct	Ryanair
28 Oct - 04 Nov	easyJet
29 Oct - 03 Nov	easyJet
30 Oct - 04 Nov	Ryanair
31 Oct - 03 Nov	Ryanair
30 Oct - 03 Nov	Ryanair
27 Oct - 02 Nov	Ryanair
25 Oct - 01 Nov	Scandinavian Airlines

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

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 October from $190

Return flights