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

Return flights

07 Aug - 10 Aug	Wizz Air
07 Aug - 19 Aug	Wizz Air
29 Aug - 10 Sep	Ryanair
07 Aug - 12 Aug	Wizz Air
30 Aug - 14 Sep	Wizz Air
19 Aug - 26 Aug	Wizz Air Malta
30 Aug - 02 Sep	Wizz Air
07 Aug - 16 Aug	Wizz Air
07 Aug - 20 Aug	Wizz Air
29 Aug - 06 Sep	Ryanair
31 Aug - 14 Sep	Aer Lingus
30 Aug - 04 Sep	Wizz Air
30 Aug - 07 Sep	Ryanair
30 Aug - 11 Sep	Ryanair
28 Aug - 06 Sep	Aer Lingus
28 Aug - 05 Sep	Scandinavian Airlines
25 Aug - 29 Aug	Scandinavian Airlines
23 Aug - 28 Aug	Wizz Air Malta
12 Aug - 19 Aug	Ryanair
07 Aug - 21 Aug	Wizz Air

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 $296

Return flights