The average train between Dún Laoghaire and Londonderry takes 6h 3m and the fastest train takes 5h. There is a train service every few hours from Dún Laoghaire to Londonderry. 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 Dún Laoghaire and Londonderry. The earliest departure is at 6:13 AM in the morning, and the last departure from Dún Laoghaire is at 11:52 PM which arrives into Londonderry at 10:22 AM. All services require a transfer at Dublin Connolly and take an average of 6h 3m. The schedules shown below are for the next available departures.


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5h 7m • 2 changes
Want to know about travelling from Dún Laoghaire to Londonderry? 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 Dún Laoghaire to Londonderry. However, there are services departing from Dún Laoghaire station and arriving at Londonderry station via Belfast Grand Central. The journey, including transfers, takes approximately 6h 3m.
Dún Laoghaire to Londonderry train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Connolly station.
Dún Laoghaire to Londonderry train services, operated by Iarnród Éireann (Irish Rail), arrive at Londonderry station.
The distance between Dún Laoghaire and Londonderry is 204.3 km. The road distance is 342 km.
You can take a train from Dun Laoghaire to Londonderry via Dublin Connolly and Belfast Grand Central in around 5h 33m.