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

Return flights

14 Jan - 22 Jan	Icelandair	direct
16 Jan - 24 Jan	Icelandair	direct
21 Jan - 29 Jan	Icelandair	direct
23 Jan - 31 Jan	Icelandair	direct
12 Jan - 20 Jan	British Airways
19 Jan - 27 Jan	British Airways
26 Jan - 03 Feb	British Airways
13 Jan - 21 Jan	British Airways
18 Jan - 26 Jan	British Airways
20 Jan - 28 Jan	British Airways
25 Jan - 02 Feb	British Airways
24 Jan - 01 Feb	Scandinavian Airlines
17 Jan - 25 Jan	British Airways

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

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 January from 358€

Return flights