Cheapest return flights from Rome to Keflavik in September from 230€

Best time to book flights for Rome (CIA) to Keflavik (KEF) flights at AirHint

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

Return flights

24 Sep - 29 Sep Ryanair
10 Sep - 14 Sep Ryanair
10 Sep - 15 Sep Ryanair
10 Sep - 18 Sep Ryanair
16 Sep - 23 Sep Ryanair
09 Sep - 14 Sep Ryanair
25 Sep - 30 Sep Ryanair
30 Sep - 05 Oct Ryanair
11 Sep - 22 Sep Ryanair
08 Sep - 15 Sep Ryanair
06 Sep - 13 Sep Ryanair
28 Sep - 01 Oct Ryanair
29 Sep - 09 Oct Ryanair

Also check the deals for one-way flights from Rome 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.

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