The average train between Belfast and Dalkey takes 3h 2m and the fastest train takes 2h 53m. The train service runs several times per day from Belfast to Dalkey. 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 every 3 hours between Belfast and Dalkey. 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 Dalkey at 12:04 AM. All services require a transfer, and take on average 3h 2m. The schedules shown below are for the next available departures.

2h 54m • 1 change
2h 53m • 1 change
2h 53m • 1 change
2h 55m • 1 change
3h 3m • 1 change
2h 58m • 1 change
2h 54m • 1 change
2h 53m • 1 change
3h 3m • 1 change
2h 58m • 1 change
2h 54m • 1 change
2h 53m • 1 change
3h 3m • 1 change
2h 58m • 1 change
2h 54m • 1 change
2h 53m • 1 changeWant to know about travelling from Belfast to Dalkey? 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 Dalkey. However, there are services departing from Belfast Grand Central station and arriving at Dublin Connolly station via Dublin Connolly station. The journey, including transfers, takes approximately 3h 2m.
Belfast to Dalkey train services, operated by Iarnród Éireann (Irish Rail), depart from Belfast Grand Central station.
Belfast to Dalkey train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Connolly station.
The distance between Belfast and Dalkey is 147.1 km. The road distance is 179 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.