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

Return flights

17 Mar - 21 Mar	easyJet
02 Mar - 07 Mar	Ryanair
02 Mar - 06 Mar	easyJet
17 Mar - 20 Mar	easyJet
23 Mar - 29 Mar	Ryanair
25 Mar - 30 Mar	easyJet
22 Mar - 29 Mar	Wizz Air Malta
31 Mar - 04 Apr	Wizz Air Malta
16 Mar - 20 Mar	Ryanair
18 Mar - 21 Mar	easyJet
15 Mar - 21 Mar	Ryanair
27 Mar - 04 Apr	Ryanair
31 Mar - 07 Apr	Ryanair
25 Mar - 01 Apr	KLM
27 Mar - 02 Apr	Ryanair
29 Mar - 01 Apr	KLM
31 Mar - 05 Apr	Wizz Air Malta
27 Mar - 03 Apr	Ryanair
27 Mar - 01 Apr	Ryanair
31 Mar - 01 Apr	Wizz Air Malta

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 181€

Return flights