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

Return flights

06 Mar - 10 Mar	easyJet
11 Mar - 18 Mar	easyJet
14 Mar - 17 Mar	easyJet
21 Mar - 25 Mar	easyJet
07 Mar - 11 Mar	easyJet
10 Mar - 17 Mar	easyJet
21 Mar - 27 Mar	easyJet
19 Mar - 24 Mar	easyJet
14 Mar - 21 Mar	easyJet
31 Mar - 04 Apr	easyJet
02 Mar - 10 Mar	Ryanair
28 Mar - 01 Apr	easyJet
27 Mar - 03 Apr	Ryanair

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

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 March from $194

Return flights