The average train between Londonderry and Dundalk takes 4h 7m and the fastest train takes 3h 32m. There is a train service every few hours from Londonderry 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 every 2 hours between Londonderry and Dundalk. The earliest departure is at 6:12 AM in the morning, and the last departure from Londonderry is at 8:38 PM which arrives into Dundalk at 7:06 AM. All services require a transfer, and take on average 4h 7m. The schedules shown below are for the next available departures.

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Want to know about travelling from Londonderry 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 Londonderry to Dundalk. However, there are services departing from Londonderry station and arriving at Dundalk station via Belfast Grand Central. The journey, including transfers, takes approximately 4h 7m.
Londonderry to Dundalk train services, operated by Translink, depart from Londonderry station.
Londonderry to Dundalk train services, operated by Translink, arrive at Dundalk station.
The distance between Londonderry and Dundalk is 125.1 km. The road distance is 245 km.
You can take a train from Londonderry to Dundalk via Belfast Grand Central in around 3h 41m.