Translink UK operates a train from Belfast to Rathmullan every 3 hours. Tickets cost $16 - $23 and the journey takes 2 h 10 min. Alternatively, Translink UK operates a bus from Belfast to Rathmullan hourly. Tickets cost $18 - $25 and the journey takes 1 h 50 min. McGonagle Bus and Coach Hire also services this route hourly.
How to get from Belfast to Rathmullan
From Belfast Central station train to Londonderry station then drive to Rathmullan. 2 h 58 min £18. From Belfast Europa Bus Centre bus to Foyle Street Bus Station Derry, line 956 bus to Church Brae, then taxi to Rathmullan. 3 h 30 min £85. From Belfast drive to Rathmullan. 2 h 14 min £21.