The average train between Sligo and Dún Laoghaire takes 3h 44m and the fastest train takes 3h 29m. The train service runs several times per day from Sligo to Dún Laoghaire. 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 4 hours between Sligo and Dún Laoghaire. The earliest departure is at 5:40 AM in the morning, and the last departure from Sligo is at 7:05 PM which arrives into Dún Laoghaire at 10:38 PM. All services require a transfer, and take on average 3h 44m. The schedules shown below are for the next available departures.

3h 48m • 1 change

3h 29m • 1 change

3h 48m • 1 change

3h 48m • 1 change

3h 43m • 1 change

3h 32m • 1 change

3h 41m • 1 change

3h 41m • 1 change

3h 43m • 1 change

3h 32m • 1 change

3h 41m • 1 change

3h 41m • 1 change

3h 43m • 1 change

3h 32m • 1 change

3h 41m • 1 change

3h 41m • 1 change

3h 43m • 1 change

3h 32m • 1 change

3h 41m • 1 change

3h 41m • 1 change

3h 43m • 1 change

3h 32m • 1 change

3h 41m • 1 change

3h 41m • 1 change
Want to know about travelling from Sligo to Dún Laoghaire? 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 Sligo to Dún Laoghaire. However, there are services departing from Sligo station and arriving at Dún Laoghaire station via Dublin Connolly. The journey, including transfers, takes approximately 3h 44m.
Sligo to Dún Laoghaire train services, operated by Iarnród Éireann (Irish Rail), depart from Sligo station.
Sligo to Dún Laoghaire train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Connolly station.
The distance between Sligo and Dún Laoghaire is 187.8 km. The road distance is 228 km.
Iarnród Éireann (Irish Rail) operates a train from Sligo to Dublin Connolly hourly. Tickets cost €18–27 and the journey takes 3h 6m.