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

Return flights

11 Mar - 17 Mar	Vueling Airlines
03 Mar - 11 Mar	easyJet
14 Mar - 18 Mar	easyJet
11 Mar - 15 Mar	easyJet
11 Mar - 14 Mar	easyJet
21 Mar - 28 Mar	Vueling Airlines
21 Mar - 24 Mar	Vueling Airlines
02 Mar - 10 Mar	easyJet
20 Mar - 25 Mar	easyJet
07 Mar - 11 Mar	ITA Airways
31 Mar - 05 Apr	easyJet
31 Mar - 08 Apr	Scandinavian Airlines
25 Mar - 02 Apr	easyJet
26 Mar - 03 Apr	Vueling Airlines
28 Mar - 04 Apr	easyJet
25 Mar - 03 Apr	Vueling Airlines
27 Mar - 03 Apr	ITA Airways
25 Mar - 01 Apr	easyJet
23 Mar - 06 Apr	Scandinavian Airlines
25 Mar - 01 Apr	Icelandair	direct

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 $236

Return flights