The average train between Portlaoise and Castleknock takes 2h 9m and the fastest train takes 1h 44m. There is a train service every few hours from Portlaoise to Castleknock. 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 Portlaoise and Castleknock. The earliest departure is at 5:30 AM in the morning, and the last departure from Portlaoise is at 9:30 PM which arrives into Castleknock at 11:47 PM. All services require a transfer at Hazelhatch and take an average of 2h 9m. The schedules shown below are for the next available departures.


1h 54m • 2 changes


1h 44m • 2 changes


2h 22m • 2 changes


2h 23m • 2 changes


1h 54m • 2 changes


1h 44m • 2 changes


2h 22m • 2 changes


2h 23m • 2 changes


1h 54m • 2 changes


1h 44m • 2 changes


2h 22m • 2 changes


2h 23m • 2 changes
Want to know about travelling from Portlaoise to Castleknock? 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 Portlaoise to Castleknock. However, there are services departing from Portlaoise station and arriving at Castleknock station via Hazelhatch. The journey, including transfers, takes approximately 2h 9m.
Portlaoise to Castleknock train services, operated by Iarnród Éireann (Irish Rail), depart from Portlaoise station.
Portlaoise to Castleknock train services, operated by Iarnród Éireann (Irish Rail), arrive at Drumcondra station.
The distance between Portlaoise and Castleknock is 72.9 km. The road distance is 94 km.
You can take a train from Portlaoise to Castleknock via Hazelhatch and Drumcondra in around 2h 2m.