Cheapest return flights from Miami (MIA) to Keflavik (KEF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
17 Sep 24 Sep Frontier Airlines
02 Sep 09 Sep Frontier Airlines
11 Sep 25 Sep Frontier Airlines
18 Sep 25 Sep Frontier Airlines
09 Sep 16 Sep Frontier Airlines
01 Sep 08 Sep Air Canada
27 Sep 04 Oct Frontier Airlines
15 Sep 22 Sep Frontier Airlines
21 Sep 28 Sep Frontier Airlines
28 Sep 05 Oct Frontier Airlines
Powered by

deals for one-way flights from Miami to Keflavik in September.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik International Airport

Updated May 30, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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