Euromanx has, from 11th April, started to use a 42 seater ATR42-320 (PH-RAQ in City Connect colours) on the IOM/LPL route.
Also, if you go to the Euromanx site they are offering seats at £39 return on the IOM/LPL route. Click this link for the details
http://neon.upton.com/~euromanx/pratrlplauto.html