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

Return flights

08 Oct - 11 Oct	Wizz Air Malta
29 Oct - 05 Nov	Wizz Air
31 Oct - 06 Nov	Wizz Air
31 Oct - 05 Nov	Wizz Air
04 Oct - 11 Oct	Wizz Air
29 Oct - 02 Nov	Wizz Air
03 Oct - 11 Oct	Wizz Air
31 Oct - 02 Nov	Wizz Air
02 Oct - 18 Oct	Wizz Air
11 Oct - 18 Oct	Wizz Air
04 Oct - 18 Oct	Wizz Air
17 Oct - 19 Oct	Wizz Air
08 Oct - 25 Oct	Wizz Air Malta
02 Oct - 07 Oct	Wizz Air
08 Oct - 12 Oct	Wizz Air Malta
30 Oct - 05 Nov	Ryanair
29 Oct - 04 Nov	Wizz Air
31 Oct - 07 Nov	Wizz Air
31 Oct - 08 Nov	Wizz Air
30 Oct - 04 Nov	Ryanair

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 158€

Return flights