The average train between Clontarf and Belfast takes 2h 51m and the fastest train takes 2h 20m. There is a train service every few hours from Clontarf to Belfast. 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 Clontarf and Belfast. The earliest departure is at 12:12 AM at night, and the last departure from Clontarf is at 10:21 PM which arrives into Belfast at 1:00 AM. All services require a transfer, and take on average 2h 51m. The schedules shown below are for the next available departures.

2h 23m • 1 change

2h 26m • 1 change

2h 26m • 1 change

2h 26m • 1 change

7h 46m • 1 change

2h 20m • 1 change

2h 40m • 1 change

2h 20m • 1 change

7h 46m • 1 change

2h 20m • 1 change

2h 40m • 1 change

2h 20m • 1 change

7h 46m • 1 change

2h 20m • 1 change

2h 40m • 1 change

2h 20m • 1 change
Want to know about travelling from Clontarf to Belfast? 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 Clontarf to Belfast. However, there are services departing from Clontarf station and arriving at Belfast station via Belfast Grand Central. The journey, including transfers, takes approximately 2h 51m.
Clontarf to Belfast train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Connolly station.
Clontarf to Belfast train services, operated by Iarnród Éireann (Irish Rail), arrive at Belfast Grand Central station.
The distance between Clontarf and Belfast is 138.6 km. The road distance is 183 km.
Iarnród Éireann (Irish Rail) operates a train from Dublin Connolly to Belfast Grand Central hourly. Tickets cost £13–19 and the journey takes 2h 8m. Translink also services this route hourly.