The average bus between Sligo and Castlebar takes 2h 48m and the fastest bus takes 2h 6m. The bus service runs several times per day from Sligo 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 4 times a day between Sligo and Castlebar. The earliest departure is at 6:00 AM in the morning, and the last departure from Sligo is at 6:15 PM which arrives into Castlebar at 8:53 PM. All services require a transfer, and take on average 2h 48m. The schedules shown below are for the next available departures.

3h 31m • 1 change

3h 2m • 1 change

2h 13m • 1 change

2h 38m • 1 change

3h 31m • 1 change

3h 2m • 1 change

2h 13m • 1 change

2h 38m • 1 change

3h 31m • 1 change

3h 2m • 1 change

2h 13m • 1 change

2h 38m • 1 change

3h 21m • 1 change

3h 2m • 1 change

2h 9m • 1 change

2h 38m • 1 change
Want to know about travelling from Sligo 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 Sligo to Castlebar. However, there are services departing from Sligo station and arriving at Castlebar station via Charlestown. The journey, including transfers, takes approximately 2h 48m.
Sligo to Castlebar bus services, operated by Expressway (Bus Éireann), depart from Sligo Bus Stn station.
Sligo to Castlebar bus services, operated by Expressway (Bus Éireann), arrive at Mayo Hospital station.
The distance between Sligo and Castlebar is 70.9 km. The road distance is 86 km.
You can take a bus from Sligo Bus Stn to Mayo Hospital via Charlestown in around 2h 26m.