Get a 14 person bus to take you from the lobby of your place of stay right up to Keflavík International Airport.
You can also order the same bus, going the other way, from KEF Airport right to the lobby of your destination at the same rate.
Full service rendered. Trip is circa 60 minutes in total, estimating a ride between KEF Airport and downtown Reykjavík.
25.000 ISK for the bus