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

Return flights

31 Jul - 11 Aug	Wizz Air Malta
31 Jul - 03 Aug	Wizz Air Malta
30 Jul - 06 Aug	easyJet
29 Jul - 06 Aug	easyJet
31 Jul - 05 Aug	Wizz Air Malta
30 Jul - 11 Aug	easyJet
28 Jul - 06 Aug	easyJet
31 Jul - 14 Aug	Wizz Air Malta
27 Jul - 29 Jul	easyJet
31 Jul - 09 Aug	Jet2
27 Jul - 02 Aug	Wizz Air Malta
27 Jul - 29 Jul	Icelandair	direct

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

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 July from 372€

Return flights