Cheapest one-way MAD–KEF flights, September

AirHint found the following cheapest one-way flights from Madrid (MAD) to Keflavik (KEF) in September 2026 (see full year).

One-Way flights

23 Sep Wizz Air Malta
20 Sep Wizz Air Malta
26 Sep Iberia Express direct
30 Sep Wizz Air Malta
09 Sep Ryanair
19 Sep Wizz Air UK
22 Sep Ryanair
05 Sep Ryanair
03 Sep Wizz Air Malta
25 Sep Wizz Air Malta

Also check the deals for return flights from Madrid to Keflavik in September.

Powered by

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.