Cheapest return flights from Naples to Keflavik in September from $256

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

Return flights

11 Sep - 16 Sep Wizz Air Malta
10 Sep - 17 Sep easyJet
14 Sep - 21 Sep easyJet
02 Sep - 14 Sep easyJet
13 Sep - 20 Sep Ryanair
18 Sep - 21 Sep Ryanair
11 Sep - 21 Sep easyJet
08 Sep - 11 Sep Wizz Air Malta
02 Sep - 05 Sep Ryanair
15 Sep - 21 Sep easyJet

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

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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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