Cheapest return flights from Miami to Keflavik in March from $543

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

Return flights

24 Mar - 30 Mar Spirit Airlines
27 Mar - 04 Apr Icelandair direct
29 Mar - 07 Apr Icelandair direct
25 Mar - 29 Mar Spirit Airlines
25 Mar - 31 Mar Spirit Airlines
21 Mar - 27 Mar Spirit Airlines
27 Mar - 31 Mar Icelandair direct
29 Mar - 05 Apr Spirit Airlines
25 Mar - 31 Mar Icelandair direct
16 Mar - 23 Mar Frontier Airlines
24 Mar - 27 Mar Spirit Airlines
22 Mar - 31 Mar Icelandair direct
20 Mar - 29 Mar Spirit Airlines

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

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