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

Return flights

09 Mar - 12 Mar	easyJet
02 Mar - 11 Mar	easyJet
16 Mar - 25 Mar	easyJet
02 Mar - 10 Mar	easyJet
09 Mar - 17 Mar	easyJet
01 Mar - 10 Mar	Ryanair
02 Mar - 13 Mar	easyJet
23 Mar - 02 Apr	easyJet
16 Mar - 17 Mar	Ryanair
03 Mar - 10 Mar	Ryanair
23 Mar - 03 Apr	easyJet
23 Mar - 01 Apr	easyJet

Also check the deals for one-way flights from Cagliari 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 Cagliari to Keflavik in March from 152€

Return flights