The average bus between Dublin and Castlegar takes 3h 31m and the fastest bus takes 3h 16m. There is a bus service every few hours from Dublin to Castlegar. 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 Dublin and Castlegar. The earliest departure is at 12:15 AM at night, and the last departure from Dublin is at 8:15 PM which arrives into Castlegar at 11:32 PM. All services require a transfer at Galway Coach Stn and take an average of 3h 31m. The schedules shown below are for the next available departures.

3h 17m • 1 change

3h 22m • 1 change

3h 22m • 1 change

3h 22m • 1 change

6h 44m • 1 change

3h 17m • 1 change

3h 17m • 1 change

3h 17m • 1 change

6h 44m • 1 change

3h 17m • 1 change

3h 17m • 1 change

3h 17m • 1 change
Want to know about travelling from Dublin to Castlegar? 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 Dublin to Castlegar. However, there are services departing from Dublin station and arriving at Castlegar station via Galway Coach Stn. The journey, including transfers, takes approximately 3h 31m.
Dublin to Castlegar bus services, operated by Citylink, depart from Crampton Quay station.
Dublin to Castlegar bus services, operated by Citylink, arrive at Galway Coach Stn station.
The distance between Dublin and Castlegar is 184.1 km. The road distance is 212 km.
Citylink operates a bus from Crampton Quay to Galway Coach Stn every 30 minutes. Tickets cost €19–27 and the journey takes 2h 30m.