The average bus between Tallaght and Castlebar takes 4h 26m and the fastest bus takes 4h 5m. The bus service runs several times per day from Tallaght to Castlebar. 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 Tallaght and Castlebar. The earliest departure is at 6:32 AM in the morning, and the last departure from Tallaght is at 11:39 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Eden Quay and take an average of 4h 26m. The schedules shown below are for the next available departures.

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Want to know about travelling from Tallaght to Castlebar? 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 Tallaght to Castlebar. However, there are services departing from Tallaght station and arriving at Castlebar station via Castlebar. The journey, including transfers, takes approximately 4h 26m.
Tallaght to Castlebar bus services, operated by Dublin Bus, depart from Crampton Quay station.
Tallaght to Castlebar bus services, operated by Dublin Bus, arrive at Castlebar station.
The distance between Tallaght and Castlebar is 203.3 km. The road distance is 258 km.
Citylink operates a bus from Crampton Quay to Castlebar every 4 hours. Tickets cost €21–30 and the journey takes 3h 30m.