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

Return flights

29 Oct - 03 Nov	Wizz Air Malta
30 Oct - 06 Nov	Wizz Air Malta
30 Oct - 09 Nov	Finnair
30 Oct - 07 Nov	Wizz Air
24 Oct - 04 Nov	easyJet
29 Oct - 05 Nov	Wizz Air
25 Oct - 28 Oct	Wizz Air
31 Oct - 02 Nov	Wizz Air
28 Oct - 03 Nov	Ryanair
24 Oct - 27 Oct	Wizz Air Malta
27 Oct - 02 Nov	Ryanair
23 Oct - 26 Oct	LOT
24 Oct - 07 Nov	easyJet
21 Oct - 23 Oct	Vueling Airlines
22 Oct - 26 Oct	Ryanair
22 Oct - 25 Oct	Wizz Air Malta
25 Oct - 29 Oct	Wizz Air Malta
24 Oct - 29 Oct	easyJet
25 Oct - 31 Oct	Wizz Air
24 Oct - 31 Oct	easyJet

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

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 October from 312€

Return flights