FlixBus operates a bus from Brussels to Malmedy 4 times a week. Tickets cost $7 - $13 and the journey takes 2 h. Alternatively, Belgian Railways (NMBS/SNCB) operates a train from Brussels to Malmedy hourly. Tickets cost $12 - $19 and the journey takes 54 min. Belgian Railways (NMBS/SNCB) also services this route hourly.
From Brussels, Brussels-North station bus to Verviers then taxi to Malmedy. 2 h 18 min 83€. From Bruxelles-Nord train to Liège-Guillemins, train to Coo, then taxi to Malmedy. 2 h 41 min 54€. From Brussels drive to Malmedy. 1 h 31 min 19€.