The average bus between Dublin Port and Castlebar takes 4h 18m and the fastest bus takes 3h 54m. The bus service runs several times per day from Dublin Port 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 Dublin Port and Castlebar. The earliest departure is at 7:06 AM in the morning, and the last departure from Dublin Port is at 10:36 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Eden Quay and take an average of 4h 18m. The schedules shown below are for the next available departures.

3h 54m • 1 change

4h 9m • 1 change

4h 9m • 1 change

4h 9m • 1 change

3h 54m • 1 change

4h 9m • 1 change

4h 9m • 1 change

4h 9m • 1 change

3h 54m • 1 change

4h 9m • 1 change

4h 9m • 1 change

4h 9m • 1 change

3h 54m • 1 change

4h 9m • 1 change

4h 9m • 1 change

4h 9m • 1 change

3h 54m • 1 change

4h 9m • 1 change

4h 9m • 1 change

4h 9m • 1 change

3h 56m • 1 change

3h 56m • 1 change

3h 56m • 1 change

3h 56m • 1 change

4h 9m • 1 change

4h 11m • 1 change

4h 41m • 1 change

4h 41m • 1 change
Want to know about travelling from Dublin Port 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 Dublin Port to Castlebar. However, there are services departing from Dublin Port station and arriving at Castlebar station via Castlebar. The journey, including transfers, takes approximately 4h 18m.
Dublin Port to Castlebar bus services, operated by Swords Express, depart from Crampton Quay station.
Dublin Port to Castlebar bus services, operated by Swords Express, arrive at Castlebar station.
The distance between Dublin Port and Castlebar is 211 km. The road distance is 247 km.
Citylink operates a bus from Crampton Quay to Castlebar every 4 hours. Tickets cost €21–30 and the journey takes 3h 30m.