The average bus between Castlebar and Dublin Port takes 4h 9m and the fastest bus takes 3h 48m. The bus service runs several times per day from Castlebar to Dublin Port. 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 3 hours between Castlebar and Dublin Port. The earliest departure is at 12:45 AM at night, and the last departure from Castlebar is at 4:50 PM which arrives into Dublin Port at 9:19 PM. All services require a transfer at Airport Zone 11 and take an average of 4h 9m. The schedules shown below are for the next available departures.

3h 48m • 1 change

3h 51m • 1 change

4h 10m • 1 change

4h 20m • 1 change

3h 50m • 1 change

3h 48m • 1 change

3h 51m • 1 change

4h 10m • 1 change

3h 50m • 1 change

3h 48m • 1 change

3h 51m • 1 change

4h 10m • 1 change

3h 50m • 1 change

3h 48m • 1 change

3h 51m • 1 change

4h 10m • 1 change

3h 50m • 1 change

3h 48m • 1 change

3h 51m • 1 change

4h 10m • 1 change

3h 50m • 1 change

3h 49m • 1 change

3h 50m • 1 change

4h 10m • 1 change
Want to know about travelling from Castlebar to Dublin Port? 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 Castlebar to Dublin Port. However, there are services departing from Castlebar station and arriving at Dublin Port station via Airport Zone 11. The journey, including transfers, takes approximately 4h 9m.
Castlebar to Dublin Port bus services, operated by Citylink, depart from Castlebar station.
Castlebar to Dublin Port bus services, operated by Citylink, arrive at Airport Zone 11 station.
The distance between Castlebar and Dublin Port is 211 km. The road distance is 268 km.
Citylink operates a bus from Castlebar to Airport Zone 11 every 4 hours. Tickets cost €22–35 and the journey takes 3h 55m.