The average train between Clonsilla and Belfast takes 3h 20m and the fastest train takes 2h 44m. There is a train service every few hours from Clonsilla 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 Clonsilla and Belfast. The earliest departure is at 6:13 AM in the morning, and the last departure from Clonsilla is at 11:30 PM which arrives into Belfast at 7:58 AM. All services require a transfer, and take on average 3h 20m. The schedules shown below are for the next available departures.

3h 4m • 1 change

3h • 1 change

3h 4m • 1 change

3h 4m • 1 change

2h 45m • 1 change

3h 10m • 1 change

2h 47m • 1 change

3h 2m • 1 change

2h 45m • 1 change

3h 10m • 1 change

2h 47m • 1 change

3h 2m • 1 change

2h 45m • 1 change

3h 10m • 1 change

2h 47m • 1 change

3h 2m • 1 change
Want to know about travelling from Clonsilla 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 Clonsilla to Belfast. However, there are services departing from Clonsilla station and arriving at Belfast station via Belfast Grand Central. The journey, including transfers, takes approximately 3h 20m.
Clonsilla to Belfast train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Connolly station.
Clonsilla to Belfast train services, operated by Iarnród Éireann (Irish Rail), arrive at Belfast Grand Central station.
The distance between Clonsilla and Belfast is 138.7 km. The road distance is 193 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.