The Hotel Lek has easy access, and is situated near the Austrian and Italian borders, just 60 km from Ljubljana airport.
International airports: Ljubljana 60 km, Klagenfurt 60 km, Venezia Marco Polo 200 km, Trieste Ronchi 150 km. 
Hotel can book a shuttle from / to the airport. 

More details about flights: http://www.adria-airways.com/
                                                http://www.easyjet.com/
                                                http://www.wizzair.com/
                                                www.ryanair.com
                                                www.finnair.com