The average bus between Castlebar and Dublin Port Tunnel takes 3h 44m and the fastest bus takes 3h 41m. The bus service runs several times per day from Castlebar to Dublin Port Tunnel. 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 Castlebar and Dublin Port Tunnel. The earliest departure is at 7:55 AM in the morning, and the last departure from Castlebar is at 4:50 PM which arrives into Dublin Port Tunnel at 8:32 PM. All services require a transfer at Bachelors Walk and take an average of 3h 44m. The schedules shown below are for the next available departures.

3h 44m • 1 change

3h 46m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 41m • 1 change

3h 45m • 1 change

3h 46m • 1 change

3h 44m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 47m • 1 change

3h 44m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 47m • 1 change

3h 44m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 47m • 1 change

3h 44m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 47m • 1 change

3h 44m • 1 change

3h 43m • 1 change

3h 43m • 1 change

3h 47m • 1 change

3h 44m • 1 change
Want to know about travelling from Castlebar to Dublin Port Tunnel? 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 Tunnel. However, there are services departing from Castlebar station and arriving at Dublin Port Tunnel station via Bachelors Walk. The journey, including transfers, takes approximately 3h 44m.
Castlebar to Dublin Port Tunnel bus services, operated by Citylink, depart from Castlebar station.
Castlebar to Dublin Port Tunnel bus services, operated by Citylink, arrive at Bachelors Walk station.
The distance between Castlebar and Dublin Port Tunnel is 209.5 km. The road distance is 247 km.
Citylink operates a bus from Castlebar to Bachelors Walk 5 times a day. Tickets cost €21–30 and the journey takes 3h 30m.