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

Return flights

20 Apr - 27 Apr	KLM
26 Apr - 03 May	KLM
15 Apr - 22 Apr	British Airways
22 Apr - 29 Apr	British Airways
17 Apr - 24 Apr	British Airways
21 Apr - 28 Apr	Air France
25 Apr - 02 May	Air France
16 Apr - 23 Apr	British Airways
23 Apr - 30 Apr	British Airways
14 Apr - 21 Apr	Lufthansa
27 Apr - 04 May	British Airways
18 Apr - 25 Apr	Air France
28 Apr - 05 May	Lufthansa
24 Apr - 01 May	Air France
19 Apr - 26 Apr	Lufthansa

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

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 April from $599

Return flights