The average bus between Dundrum and Castleknock takes 1h 58m and the fastest bus takes 58 min. There is a bus service every few hours from Dundrum 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 hourly between Dundrum and Castleknock. The earliest departure is at 7:10 AM in the morning, and the last departure from Dundrum is at 10:55 PM which arrives into Castleknock at 6:51 AM. All services require a transfer, and take on average 1h 58m. The schedules shown below are for the next available departures.

1h 39m • 1 change

1h 47m • 1 change

1h 53m • 1 change

2h 4m • 1 change

1h 39m • 1 change

1h 47m • 1 change

1h 53m • 1 change

2h 4m • 1 change

1h 39m • 1 change

1h 47m • 1 change

1h 53m • 1 change

2h 4m • 1 change
Want to know about travelling from Dundrum 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 Dundrum to Castleknock. However, there are services departing from Dundrum station and arriving at Castleknock station via Dublin, O'Connell Street Upper (The Gresham Hotel). The journey, including transfers, takes approximately 1h 58m.
Dundrum to Castleknock bus services, operated by Dublin Bus, depart from Dundrum Village station.
Dundrum to Castleknock bus services, operated by Dublin Bus, arrive at St Brigid's Church station.
The distance between Dundrum and Castleknock is 12.2 km. The road distance is 23 km.
You can take a bus from Dundrum Village to St Brigid's Church via Dublin, O'Connell Street Upper (The Gresham Hotel) in around 1h 40m.