The average bus between Slane Castle and Castleknock takes 1h 47m and the fastest bus takes 1h 23m. The bus service runs several times per day from Slane Castle 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.
Buses run every 4 hours between Slane Castle and Castleknock. The earliest departure is at 6:35 AM in the morning, and the last departure from Slane Castle is at 8:05 PM which arrives into Castleknock at 9:33 PM. All services require a transfer at Slane and take an average of 1h 47m. The schedules shown below are for the next available departures.

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1h 39m • 1 change
2h 5m • 1 change
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1h 36m • 1 changeWant to know about travelling from Slane Castle 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 bus from Slane Castle to Castleknock. However, there are services departing from Slane Castle station and arriving at Castleknock station via Parnell Square East. The journey, including transfers, takes approximately 1h 47m.
Slane Castle to Castleknock bus services, operated by Collins Coaches, depart from Slane station.
Slane Castle to Castleknock bus services, operated by Collins Coaches, arrive at St Brigid's Church station.
The distance between Slane Castle and Castleknock is 39.7 km. The road distance is 57 km.
You can take a vehicle from Slane Castle to St Brigid's Church via Slane, Parnell Square East, and Parnell Square West in around 2h 3m.