The average train between Belfast and Dalkey takes 2h 58m and the fastest train takes 2h 53m. There is a train service every few hours 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 hourly 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 12:02 AM. All services require a transfer, and take on average 2h 58m. The schedules shown below are for the next available departures.

3h 3m • 1 change

2h 58m • 1 change

2h 54m • 1 change

2h 53m • 1 change

3h 2m • 1 change

3h 2m • 1 change

3h 2m • 1 change

3h 2m • 1 change

2h 55m • 1 change

2h 55m • 1 change

2h 55m • 1 change

2h 55m • 1 change

3h 3m • 1 change

2h 58m • 1 change

2h 54m • 1 change

2h 53m • 1 change
Want 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 station and arriving at Dalkey station via Dublin Connolly. The journey, including transfers, takes approximately 2h 58m.
Belfast to Dalkey train services, operated by Translink, depart from Belfast Great Central station.
Belfast to Dalkey train services, operated by Translink, arrive at Dublin Connolly station.
The distance between Belfast and Dalkey is 147.1 km. The road distance is 194 km.
Translink operates a train from Belfast Great Central to Dublin Connolly hourly. Tickets cost €20–28 and the journey takes 2h 13m. Iarnród Éireann (Irish Rail) also services this route every 3 hours.