The average train between Sligo and Castleknock takes 3h 11m and the fastest train takes 2h 52m. The train service runs several times per day from Sligo 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 4 hours between Sligo and Castleknock. The earliest departure is at 5:40 AM in the morning, and the last departure from Sligo is at 7:05 PM which arrives into Castleknock at 10:38 PM. All services require a transfer, and take on average 3h 11m. The schedules shown below are for the next available departures.

2h 58m • 1 change

2h 52m • 1 change

3h 6m • 1 change

3h 4m • 1 change

2h 52m • 1 change

3h 1m • 1 change

3h 1m • 1 change

3h 6m • 1 change

3h • 1 change

2h 56m • 1 change

2h 59m • 1 change

3h 8m • 1 change

2h 58m • 1 change

2h 52m • 1 change

3h 6m • 1 change

3h 4m • 1 change

2h 58m • 1 change

2h 52m • 1 change

3h 6m • 1 change

3h 4m • 1 change

2h 58m • 1 change

2h 52m • 1 change

3h 6m • 1 change

3h 4m • 1 change

2h 58m • 1 change

2h 52m • 1 change

3h 6m • 1 change

3h 4m • 1 change
Want to know about travelling from Sligo 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 Sligo to Castleknock. However, there are services departing from Sligo station and arriving at Castleknock station via Maynooth. The journey, including transfers, takes approximately 3h 11m.
Sligo to Castleknock train services, operated by Iarnród Éireann (Irish Rail), depart from Sligo station.
Sligo to Castleknock train services, operated by Iarnród Éireann (Irish Rail), arrive at Maynooth station.
The distance between Sligo and Castleknock is 170.5 km. The road distance is 207 km.
Iarnród Éireann (Irish Rail) operates a train from Sligo to Maynooth every 4 hours. Tickets cost €16–24 and the journey takes 2h 33m.