The average bus between Galway and Castleknock takes 3h 25m and the fastest bus takes 3h 3m. There is a bus service every few hours from Galway 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 hourly between Galway and Castleknock. The earliest departure is at 1:00 AM at night, and the last departure from Galway is at 8:45 PM which arrives into Castleknock at 11:56 PM. All services require a transfer at Bachelors Walk and take an average of 3h 25m. The schedules shown below are for the next available departures.

3h 32m • 1 change

3h 19m • 1 change

3h 37m • 1 change

3h 18m • 1 change

5h 55m • 1 change

3h 19m • 1 change

3h 7m • 1 change

3h 14m • 1 change

5h 55m • 1 change

3h 19m • 1 change

3h 7m • 1 change

3h 14m • 1 change

5h 55m • 1 change

3h 19m • 1 change

3h 7m • 1 change

3h 14m • 1 change
Want to know about travelling from Galway 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 Galway to Castleknock. However, there are services departing from Galway station and arriving at Castleknock station via Bachelors Walk. The journey, including transfers, takes approximately 3h 25m.
Galway to Castleknock bus services, operated by Citylink, depart from Galway Coach Station.
Galway to Castleknock bus services, operated by Citylink, arrive at Bachelors Walk station.
The distance between Galway and Castleknock is 178.9 km. The road distance is 217 km.
Citylink operates a bus from Galway Coach Station to Bachelors Walk every 30 minutes. Tickets cost €19–27 and the journey takes 2h 30m.