German Railways (DB) operates a train from Munich to Kelheim hourly. Tickets cost $22 - $24 and the journey takes 37 min. German Railways (DB) also services this route hourly. Alternatively, FlixBus operates a bus from Munich to Kelheim every 4 hours. Tickets cost $7 - $13 and the journey takes 1 h 40 min. Leo Express also services this route once daily.
From München Hbf train to Ingolstadt Hbf, train to Saal(Donau), then taxi to Kelheim. 1 h 45 min 43€. From Munich, Munich central bus station bus to Regensburg, Regensburg central station then taxi to Kelheim. 2 h 3 min 67€. From Munich drive to Kelheim. 1 h 10 min 14€.