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

Return flights

01 Mar - 08 Mar	Scandinavian Airlines
01 Mar - 10 Mar	British Airways
22 Mar - 31 Mar	Icelandair	direct
15 Mar - 28 Mar	British Airways
01 Mar - 10 Mar	Icelandair	direct
15 Mar - 28 Mar	Icelandair	direct

Also check the deals for one-way flights from Miami 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 Miami to Keflavik in March from 528€

Return flights