The average bus between Knock and Castleknock takes 5h 20m and the fastest bus takes 3h 38m. The bus service runs several times per day from Knock 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 5 times a day between Knock and Castleknock. The earliest departure is at 8:10 AM in the morning, and the last departure from Knock is at 9:35 PM which arrives into Castleknock at 6:05 AM. All services require a transfer at Charlestown and take an average of 5h 20m. The schedules shown below are for the next available departures.


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3h 42m • 2 changesWant to know about travelling from Knock 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 Knock to Castleknock. However, there are services departing from Charlestown station and arriving at Liffey Valley SC station via Liffey Valley SC station. The journey, including transfers, takes approximately 5h 20m.
Knock to Castleknock bus services, operated by Expressway (Bus Éireann), depart from Charlestown station.
Knock to Castleknock bus services, operated by Expressway (Bus Éireann), arrive at Liffey Valley SC station.
The distance between Knock and Castleknock is 175.2 km. The road distance is 197 km.
Expressway (Bus Éireann) operates a bus from Charlestown to Liffey Valley SC every 4 hours. Tickets cost €23–35 and the journey takes 2h 52m.