The average bus between Dún Laoghaire and Rathcoole takes 1h 36m and the fastest bus takes 1h 12m. The bus service runs several times per day from Dún Laoghaire to Rathcoole. 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 Dún Laoghaire and Rathcoole. The earliest departure is at 11:30 AM in the morning, and the last departure from Dún Laoghaire is at 11:26 PM which arrives into Rathcoole at 7:33 AM. All services require a transfer at Tara Street and take an average of 1h 36m. The schedules shown below are for the next available departures.

1h 15m • 1 change

1h 34m • 1 change

1h 23m • 1 change

1h 12m • 1 change
Want to know about travelling from Dún Laoghaire to Rathcoole? 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 Dún Laoghaire to Rathcoole. However, there are services departing from Dún Laoghaire station and arriving at Rathcoole station via Tara Street. The journey, including transfers, takes approximately 1h 36m.
Dún Laoghaire to Rathcoole bus services, operated by Iarnród Éireann (Irish Rail), depart from Dun Laoghaire station.
Dún Laoghaire to Rathcoole bus services, operated by Iarnród Éireann (Irish Rail), arrive at Holy Family NS station.
The distance between Dún Laoghaire and Rathcoole is 22.1 km. The road distance is 36 km.
You can take a bus from Dun Laoghaire to Holy Family NS via Tara Street and George's Quay in around 1h 21m.