Cheapest return flights from Miami to Keflavik in April from $384

Best time to book flights for Miami (MIA) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Miami (MIA) to Keflavik (KEF) in April 2025 (see full year).

Return flights

01 Apr - 08 Apr Frontier Airlines
01 Apr - 15 Apr Frontier Airlines
08 Apr - 29 Apr Frontier Airlines
01 Apr - 29 Apr Frontier Airlines
03 Apr - 10 Apr Frontier Airlines
30 Apr - 07 May Spirit Airlines
27 Apr - 04 May Frontier Airlines
02 Apr - 15 Apr Frontier Airlines
22 Apr - 29 Apr Spirit Airlines
22 Apr - 17 May Spirit Airlines
09 Apr - 30 Apr Spirit Airlines
02 Apr - 09 Apr jetBlue
01 Apr - 25 Apr Frontier Airlines
26 Apr - 03 May Spirit Airlines

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

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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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