The average train between Castlebar and Dundalk takes 6h 58m and the fastest train takes 4h 51m. The train service runs several times per day from Castlebar 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 4 times a day between Castlebar and Dundalk. The earliest departure is at 5:28 AM in the morning, and the last departure from Castlebar is at 6:43 PM which arrives into Dundalk at 10:48 AM. All services require a transfer at Dublin Heuston and take an average of 6h 58m. The schedules shown below are for the next available departures.


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5h 25m • 2 changesWant to know about travelling from Castlebar 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 Castlebar to Dundalk. However, there are services departing from Castlebar station and arriving at Dundalk station via Dublin Heuston. The journey, including transfers, takes approximately 6h 58m.
Castlebar to Dundalk train services, operated by Iarnród Éireann (Irish Rail), depart from Castlebar station.
Castlebar to Dundalk train services, operated by Iarnród Éireann (Irish Rail), arrive at Dundalk station.
The distance between Castlebar and Dundalk is 189.3 km. The road distance is 335 km.
You can take a train from Castlebar to Dundalk via Dublin Heuston, Heuston, Connolly, and Dublin Connolly in around 4h 54m.