The average train between Belfast and Blackrock takes 2h 45m and the fastest train takes 2h 39m. There is a train service every few hours from Belfast to Blackrock. 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 hourly between Belfast and Blackrock. 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 Blackrock at 11:50 PM. All services require a transfer, and take on average 2h 45m. The schedules shown below are for the next available departures.

2h 40m • 1 change

2h 39m • 1 change

2h 39m • 1 change

2h 41m • 1 change

2h 49m • 1 change

2h 44m • 1 change

2h 40m • 1 change

2h 39m • 1 change

2h 49m • 1 change

2h 44m • 1 change

2h 40m • 1 change

2h 39m • 1 change

2h 49m • 1 change

2h 44m • 1 change

2h 40m • 1 change

2h 39m • 1 change
Want to know about travelling from Belfast to Blackrock? 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 Blackrock. However, there are services departing from Belfast station and arriving at Blackrock station via Dublin Connolly. The journey, including transfers, takes approximately 2h 45m.
Belfast to Blackrock train services, operated by Translink, depart from Belfast Grand Central station.
Belfast to Blackrock train services, operated by Translink, arrive at Dublin Connolly station.
The distance between Belfast and Blackrock is 144.9 km. The road distance is 187 km.
Iarnród Éireann (Irish Rail) operates a train from Belfast Grand Central to Dublin Connolly hourly. Tickets cost €15–22 and the journey takes 2h 13m. Translink also services this route hourly.