Cheapest return flights from Rome to Keflavik in September from $389

AirHint found the following cheapest return flights from Rome (CIA) to Keflavik (KEF) in September 2026 (see full year).

Return flights

12 Sep - 26 Sep Ryanair
01 Sep - 05 Sep Ryanair
01 Sep - 07 Sep Ryanair
25 Sep - 30 Sep Ryanair
19 Sep - 27 Sep Ryanair
16 Sep - 23 Sep Ryanair
25 Sep - 03 Oct Ryanair
01 Sep - 06 Sep Wizz Air Malta
12 Sep - 20 Sep Ryanair
13 Sep - 27 Sep Ryanair
06 Sep - 12 Sep Ryanair

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

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