AirHint found the following cheapest return flights from Rome (FCO) to Keflavik (KEF) in March 2026 (see full year).

Return flights

02 Mar - 08 Mar	easyJet
02 Mar - 07 Mar	easyJet
18 Mar - 22 Mar	easyJet
07 Mar - 14 Mar	easyJet
07 Mar - 11 Mar	easyJet
02 Mar - 11 Mar	easyJet
05 Mar - 08 Mar	easyJet
14 Mar - 22 Mar	easyJet
19 Mar - 22 Mar	easyJet
02 Mar - 14 Mar	easyJet
28 Mar - 06 Apr	Ryanair
25 Mar - 02 Apr	Wizz Air Malta
23 Mar - 03 Apr	Vueling Airlines
30 Mar - 04 Apr	Scandinavian Airlines
27 Mar - 05 Apr	easyJet
28 Mar - 05 Apr	Vueling Airlines
28 Mar - 07 Apr	Vueling Airlines
30 Mar - 07 Apr	Scandinavian Airlines
31 Mar - 04 Apr	Scandinavian Airlines
31 Mar - 09 Apr	KLM

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

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 March from $174

Return flights