The average train between Dublin and Greenisland takes 3h 2m and the fastest train takes 2h 50m. There is a train service every few hours from Dublin to Greenisland. 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 and Greenisland. The earliest departure is at 5:50 AM in the morning, and the last departure from Dublin is at 10:47 PM which arrives into Greenisland at 6:21 AM. All services require a transfer, and take on average 3h 2m. The schedules shown below are for the next available departures.

2h 51m • 1 change

2h 51m • 1 change

2h 51m • 1 change

2h 54m • 1 change

2h 50m • 1 change

2h 51m • 1 change

3h 1m • 1 change

2h 51m • 1 change

2h 50m • 1 change

2h 51m • 1 change

3h 1m • 1 change

2h 51m • 1 change

2h 50m • 1 change

2h 51m • 1 change

3h 1m • 1 change

2h 51m • 1 change
Want to know about travelling from Dublin to Greenisland? 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 to Greenisland. However, there are services departing from Dublin station and arriving at Greenisland station via Belfast Grand Central. The journey, including transfers, takes approximately 3h 2m.
Dublin to Greenisland train services, operated by Translink, depart from Dublin Connolly station.
Dublin to Greenisland train services, operated by Translink, arrive at Belfast Grand Central station.
The distance between Dublin and Greenisland is 154 km. The road distance is 194 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.