The average bus between Castleknock and Castlebar takes 4h 15m and the fastest bus takes 3h 58m. The bus service runs several times per day from Castleknock 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 every 4 hours between Castleknock and Castlebar. The earliest departure is at 6:47 AM in the morning, and the last departure from Castleknock is at 11:46 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Bachelors Walk and take an average of 4h 15m. The schedules shown below are for the next available departures.
Arrives next day

4h 8m • 1 change
Arrives next day

3h 58m • 1 change

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4h 11m • 1 change

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4h 11m • 1 change

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4h 30m • 1 change
Want to know about travelling from Castleknock 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 Castleknock to Castlebar. However, there are services departing from Castleknock station and arriving at Castlebar station via Castlebar. The journey, including transfers, takes approximately 4h 15m.
Castleknock to Castlebar bus services, operated by Dublin Bus, depart from Crampton Quay station.
Castleknock to Castlebar bus services, operated by Dublin Bus, arrive at Castlebar station.
The distance between Castleknock and Castlebar is 201 km. The road distance is 255 km.
Citylink operates a bus from Crampton Quay to Castlebar every 4 hours. Tickets cost €21–30 and the journey takes 3h 30m.