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

Return flights

19 Aug - 29 Aug	Scandinavian Airlines
26 Aug - 31 Aug	Scandinavian Airlines
11 Aug - 17 Aug	Scandinavian Airlines
10 Aug - 17 Aug	Scandinavian Airlines
07 Aug - 17 Aug	Air Serbia
08 Aug - 18 Aug	Scandinavian Airlines
17 Aug - 19 Aug	easyJet
16 Aug - 25 Aug	Scandinavian Airlines
16 Aug - 24 Aug	Scandinavian Airlines
14 Aug - 23 Aug	Lufthansa

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

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 August from $306

Return flights