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

Return flights

30 Jul - 08 Aug	Ryanair
26 Jul - 02 Aug	Ryanair
24 Jul - 29 Jul	Ryanair
10 Jul - 12 Jul	SWISS
19 Jul - 28 Jul	SWISS
17 Jul - 22 Jul	easyJet
28 Jul - 05 Aug	Ryanair
17 Jul - 20 Jul	SWISS
23 Jul - 03 Aug	Ryanair
11 Jul - 20 Jul	Ryanair
15 Jul - 19 Jul	Wizz Air Malta
27 Jul - 03 Aug	Ryanair
11 Jul - 18 Jul	Ryanair
28 Jul - 03 Aug	Ryanair
25 Jul - 28 Jul	Ryanair
10 Jul - 13 Jul	Wizz Air Malta
26 Jul - 03 Aug	Ryanair
20 Jul - 03 Aug	Vueling Airlines

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

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 July from $306

Return flights