The average bus between Castleknock and Tallaght takes 1h 32m and the fastest bus takes 1h 3m. The bus runs at least 2 times per hour from Castleknock to Tallaght. 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 30 minutes between Castleknock and Tallaght. The earliest departure is at 12:01 AM at night, and the last departure from Castleknock is at 11:03 PM which arrives into Tallaght at 12:07 AM. All services require a transfer, and take on average 1h 32m. The schedules shown below are for the next available departures.

1h 16m • 1 change
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6h 10m • 1 change
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1h 28m • 1 change
6h 9m • 1 change
1h 29m • 1 change
1h 33m • 1 change
1h 28m • 1 change
6h 9m • 1 change
1h 29m • 1 change
1h 33m • 1 change
1h 28m • 1 change
6h 9m • 1 change
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6h 6m • 1 change
1h 6m • 1 change
1h 37m • 1 change
1h 32m • 1 changeWant to know about travelling from Castleknock to Tallaght? 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 Castleknock to Tallaght. However, there are services departing from St Brigid's Church station and arriving at Tallaght Square station via Blanchardstown Ctr station. The journey, including transfers, takes approximately 1h 32m.
Castleknock to Tallaght bus services, operated by Dublin Bus, depart from St Brigid's Church station.
Castleknock to Tallaght bus services, operated by Go-Ahead Ireland, arrive at Tallaght Square station.
The distance between Castleknock and Tallaght is 9.7 km. The road distance is 15 km.
You can take a bus from St Brigid's Church to Tallaght Square via Blanchardstown SC in around 1h 29m.