Cheapest return flights from Naples to Keflavik in September from $272

Best time to book flights for Naples (NAP) to Keflavik (KEF) flights at AirHint

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

Return flights

11 Sep - 16 Sep Ryanair
30 Sep - 07 Oct Ryanair
06 Sep - 14 Sep Ryanair
04 Sep - 08 Sep Ryanair
22 Sep - 30 Sep Transavia France
03 Sep - 10 Sep Ryanair
28 Sep - 05 Oct Ryanair
27 Sep - 05 Oct easyJet
19 Sep - 21 Sep Ryanair

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik