The average train between Dún Laoghaire and Dundalk takes 2h 1m and the fastest train takes 1h 27m. There is a train service every few hours from Dún Laoghaire to Dundalk. 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 Dundalk. 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 Dundalk at 6:49 AM. All services require a transfer, and take on average 2h 1m. The schedules shown below are for the next available departures.

1h 31m • 1 change

1h 31m • 1 change

1h 31m • 1 change

1h 31m • 1 change

1h 38m • 1 change

1h 27m • 1 change

1h 38m • 1 change

1h 38m • 1 change

1h 28m • 1 change

1h 51m • 1 change

1h 34m • 1 change

1h 34m • 1 change
Want to know about travelling from Dún Laoghaire to Dundalk? 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 Dundalk. However, there are services departing from Dún Laoghaire station and arriving at Dundalk station via Dublin Connolly. The journey, including transfers, takes approximately 2h 1m.
Dún Laoghaire to Dundalk train services, operated by Iarnród Éireann (Irish Rail), depart from Dun Laoghaire station.
Dún Laoghaire to Dundalk train services, operated by Iarnród Éireann (Irish Rail), arrive at Dundalk station.
The distance between Dún Laoghaire and Dundalk is 80.7 km. The road distance is 97 km.
You can take a train from Dun Laoghaire to Dundalk via Dublin Connolly in around 1h 39m.