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

Return flights

28 Jun - 01 Jul	Ryanair
17 Jun - 24 Jun	Ryanair
25 Jun - 28 Jun	Ryanair
25 Jun - 29 Jun	Ryanair
28 Jun - 06 Jul	Ryanair
14 Jun - 21 Jun	Ryanair
19 Jun - 25 Jun	Ryanair
17 Jun - 23 Jun	Ryanair
24 Jun - 30 Jun	Ryanair
13 Jun - 19 Jun	Ryanair
28 Jun - 05 Jul	Ryanair
20 Jun - 22 Jun	Ryanair
29 Jun - 06 Jul	Ryanair
21 Jun - 26 Jun	Ryanair
22 Jun - 02 Jul	Ryanair
29 Jun - 05 Jul	Ryanair
27 Jun - 01 Jul	Ryanair
28 Jun - 07 Jul	Ryanair
30 Jun - 09 Jul	Ryanair
30 Jun - 06 Jul	Ryanair

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

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 Rome to Keflavik in June from $326

Return flights