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

Return flights

30 Jun - 09 Jul	Wizz Air
24 Jun - 29 Jun	Ryanair
30 Jun - 02 Jul	Wizz Air
25 Jun - 02 Jul	Wizz Air
27 Jun - 06 Jul	Wizz Air
30 Jun - 06 Jul	Wizz Air
24 Jun - 25 Jun	Ryanair
30 Jun - 07 Jul	Wizz Air
23 Jun - 29 Jun	Ryanair
23 Jun - 01 Jul	Ryanair
24 Jun - 11 Jul	Ryanair
26 Jun - 01 Jul	Wizz Air
21 Jun - 29 Jun	Aeroitalia
23 Jun - 26 Jun	Wizz Air
20 Jun - 22 Jun	Wizz Air
20 Jun - 29 Jun	Wizz Air
21 Jun - 26 Jun	Aeroitalia
22 Jun - 24 Jun	Wizz Air
21 Jun - 22 Jun	Aeroitalia
22 Jun - 06 Jul	Vueling Airlines

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 $325

Return flights