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

Return flights

27 Aug - 03 Sep	Scandinavian Airlines
11 Aug - 20 Aug	Scandinavian Airlines
22 Aug - 30 Aug	Ryanair
04 Aug - 09 Aug	easyJet
08 Aug - 18 Aug	Scandinavian Airlines
11 Aug - 15 Aug	Scandinavian Airlines
13 Aug - 28 Aug	Scandinavian Airlines
03 Aug - 09 Aug	Lufthansa
07 Aug - 16 Aug	Lufthansa
09 Aug - 16 Aug	Lufthansa
01 Aug - 16 Aug	Air France

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 $255

Return flights