Cheapest return flights from Miami to Keflavik in December from 338€

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

Return flights

03 Dec - 09 Dec Icelandair direct
03 Dec - 11 Dec Icelandair direct
08 Dec - 15 Dec British Airways
09 Dec - 16 Dec British Airways
10 Dec - 17 Dec British Airways
06 Dec - 13 Dec British Airways
11 Dec - 18 Dec British Airways
07 Dec - 14 Dec British Airways
21 Dec - 27 Dec Icelandair direct
21 Dec - 01 Jan Icelandair direct
23 Dec - 03 Jan FrenchBee

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.