The average bus between Castleknock and Rathgar takes 1h 1m and the fastest bus takes 43 min. The bus runs at least 2 times per hour from Castleknock to Rathgar. 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 Rathgar. The earliest departure is at 5:57 AM in the morning, and the last departure from Castleknock is at 10:50 PM which arrives into Rathgar at 11:44 PM. All services require a transfer at Leeson Street Lwr and take an average of 1h 1m. The schedules shown below are for the next available departures.

50 min • 1 change

50 min • 1 change

53 min • 1 change

53 min • 1 change
Want to know about travelling from Castleknock to Rathgar? 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 Rathgar. However, there are services departing from Castleknock station and arriving at Rathgar station via Leeson Street Lwr. The journey, including transfers, takes approximately 1h 1m.
Castleknock to Rathgar bus services, operated by Dublin Bus, depart from Castleknock station.
Castleknock to Rathgar bus services, operated by Dublin Bus, arrive at Leeson Street Lwr station.
The distance between Castleknock and Rathgar is 9 km. The road distance is 18 km.
Dublin Bus operates a bus from Castleknock to Leeson Street Lwr every 30 minutes. Tickets cost €3 and the journey takes 43 min.