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

Return flights

07 Aug - 14 Aug	Wizz Air
07 Aug - 19 Aug	Wizz Air
29 Aug - 10 Sep	ITA Airways
02 Aug - 12 Aug	Wizz Air
07 Aug - 17 Aug	Wizz Air
02 Aug - 07 Aug	Wizz Air
27 Aug - 31 Aug	Wizz Air
30 Aug - 03 Sep	Ryanair
07 Aug - 24 Aug	Wizz Air
29 Aug - 03 Sep	ITA Airways
28 Aug - 03 Sep	Ryanair
26 Aug - 31 Aug	Scandinavian Airlines
26 Aug - 30 Aug	Scandinavian Airlines
07 Aug - 16 Aug	Wizz Air
23 Aug - 03 Sep	Wizz Air Malta
23 Aug - 01 Sep	Wizz Air Malta
25 Aug - 03 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
29 Aug - 04 Sep	Aeroitalia
28 Aug - 05 Sep	Ryanair

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

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 August from 210€

Return flights