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

Return flights

14 Apr - 23 Apr	easyJet
11 Apr - 16 Apr	easyJet
11 Apr - 18 Apr	easyJet
10 Apr - 16 Apr	Transavia France
16 Apr - 23 Apr	easyJet
23 Apr - 26 Apr	Lufthansa
17 Apr - 20 Apr	Lufthansa
25 Apr - 30 Apr	easyJet
17 Apr - 22 Apr	Ryanair
16 Apr - 19 Apr	Lufthansa
25 Apr - 01 May	Lufthansa
30 Apr - 03 May	transavia

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

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 April from $196

Return flights