The average train between Dundalk and Castlebar takes 5h 15m and the fastest train takes 4h 23m. The train service runs several times per day from Dundalk to Castlebar. 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 3 times a day between Dundalk and Castlebar. The earliest departure is at 5:30 AM in the morning, and the last departure from Dundalk is at 4:16 PM which arrives into Castlebar at 9:23 PM. All services require a transfer at Dublin Connolly and take an average of 5h 15m. The schedules shown below are for the next available departures.


5h 12m • 2 changes


4h 23m • 2 changes


4h 26m • 2 changes


5h 39m • 2 changes
Want to know about travelling from Dundalk to Castlebar? 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 Dundalk to Castlebar. However, there are services departing from Dundalk station and arriving at Castlebar station via Dublin Connolly. The journey, including transfers, takes approximately 5h 15m.
Dundalk to Castlebar train services, operated by Iarnród Éireann (Irish Rail), depart from Dundalk station.
Dundalk to Castlebar train services, operated by Iarnród Éireann (Irish Rail), arrive at Castlebar station.
The distance between Dundalk and Castlebar is 189.3 km. The road distance is 335 km.
You can take a train from Dundalk to Castlebar via Dublin Connolly, Connolly, Heuston, and Dublin Heuston in around 5h 7m.