The average train between Dublin Port and Belfast takes 2h 26m and the fastest train takes 2h 19m. There is a train service every few hours from Dublin Port 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 Dublin Port and Belfast. The earliest departure is at 5:30 AM in the morning, and the last departure from Dublin Port is at 10:34 PM which arrives into Belfast at 1:00 AM. All services require a transfer at Connolly and take an average of 2h 26m. The schedules shown below are for the next available departures.

2h 24m • 1 change

2h 24m • 1 change

2h 24m • 1 change

2h 19m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 34m • 1 change

2h 19m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 34m • 1 change

2h 19m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 34m • 1 change

2h 19m • 1 change
Want to know about travelling from Dublin Port 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 Dublin Port to Belfast. However, there are services departing from Dublin Port station and arriving at Belfast station via Belfast Grand Central. The journey, including transfers, takes approximately 2h 26m.
Dublin Port to Belfast train services, operated by Luas, depart from Dublin Connolly station.
Dublin Port to Belfast train services, operated by Luas, arrive at Belfast Grand Central station.
The distance between Dublin Port and Belfast is 139.8 km. The road distance is 181 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.