During March normally busy Split Airport has multiple daily flight connections with Zagreb, one flight a day with Frankfurt, muliple weekly flights with Rome (Fiumicino), Munich, Stuttgart and one with Cologne.  http://www.split-airport.hr/timetable-arrivals.html

Croatia Airlines, the national airlines of Republic of Croatia and Star Alliance member, 
are the Official Carrier and provides discounted prices on their direct flights.  

If in need of assistance contact us at split-2012@qsport.info