The average bus between Sligo and Castleknock takes 3h 47m and the fastest bus takes 3h 15m. The bus service runs several times per day from Sligo to Castleknock. 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 Sligo and Castleknock. The earliest departure is at 1:00 AM at night, and the last departure from Sligo is at 6:15 PM which arrives into Castleknock at 9:35 PM. All services require a transfer, and take on average 3h 47m. The schedules shown below are for the next available departures.

3h 15m • 1 change
3h 40m • 1 change
3h 30m • 1 change
3h 44m • 1 change
5h 5m • 1 change
3h 15m • 1 change
3h 40m • 1 change
3h 30m • 1 change
5h 5m • 1 change
3h 15m • 1 change
3h 40m • 1 change
3h 30m • 1 change
5h 5m • 1 change
3h 15m • 1 change
3h 40m • 1 change
3h 30m • 1 change
5h 2m • 1 change
3h 36m • 1 change
3h 41m • 1 change
3h 25m • 1 change
7h 3m • 1 change
4h 5m • 1 change
3h 38m • 1 change
3h 21m • 1 change
5h 5m • 1 change
3h 15m • 1 change
3h 40m • 1 change
3h 30m • 1 changeWant to know about travelling from Sligo to Castleknock? 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 Castleknock. However, there are services departing from Sligo station and arriving at Castleknock station via Liffey Valley SC. The journey, including transfers, takes approximately 3h 47m.
Sligo to Castleknock bus services, operated by Expressway (Bus Éireann), depart from Sligo Bus Stn station.
Sligo to Castleknock bus services, operated by Expressway (Bus Éireann), arrive at Liffey Valley SC station.
The distance between Sligo and Castleknock is 170.5 km. The road distance is 207 km.
Expressway (Bus Éireann) operates a bus from Sligo Bus Stn to Liffey Valley SC every 4 hours. Tickets cost €24–35 and the journey takes 3h 14m.