The average train between Belfast and Dundrum takes 2h 56m and the fastest train takes 2h 43m. The train service runs several times per day from Belfast to Dundrum. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 2 hours between Belfast and Dundrum. The earliest departure is at 6:00 AM in the morning, and the last departure from Belfast is at 9:00 PM which arrives into Dundrum at 11:56 PM. All services require a transfer at Dublin Connolly and take an average of 2h 56m. The schedules shown below are for the next available departures.


2h 47m • 2 changes


2h 50m • 2 changes


2h 55m • 2 changes


2h 50m • 2 changes


2h 57m • 2 changes


2h 54m • 2 changes


2h 46m • 2 changes


2h 49m • 2 changes


2h 57m • 2 changes


2h 54m • 2 changes


2h 46m • 2 changes


2h 49m • 2 changes


2h 54m • 2 changes


2h 51m • 2 changes


2h 46m • 2 changes


2h 49m • 2 changes
Want to know about travelling from Belfast to Dundrum? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Belfast to Dundrum. However, there are services departing from Belfast station and arriving at Dundrum station via Dublin Connolly. The journey, including transfers, takes approximately 2h 56m.
Belfast to Dundrum train services, operated by Translink, depart from Belfast Great Central station.
Belfast to Dundrum train services, operated by Translink, arrive at Dublin Connolly station.
The distance between Belfast and Dundrum is 146.9 km. The road distance is 186 km.
Translink operates a train from Belfast Great Central to Dublin Connolly hourly. Tickets cost €20–28 and the journey takes 2h 13m. Iarnród Éireann (Irish Rail) also services this route every 3 hours.