Cheapest return flights from Rome to Keflavik in May from $351

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

Return flights

05 May - 19 May Ryanair
09 May - 16 May Ryanair
20 May - 24 May Ryanair
05 May - 12 May Ryanair
19 May - 27 May Ryanair
01 May - 06 May Ryanair
01 May - 03 May Ryanair
01 May - 05 May Ryanair
12 May - 18 May Ryanair
17 May - 22 May Ryanair
29 May - 07 Jun Ryanair
22 May - 01 Jun Ryanair

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

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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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