The average bus between Blanchardstown and Castlebar takes 4h 28m and the fastest bus takes 4h 6m. The bus service runs several times per day from Blanchardstown 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 Blanchardstown and Castlebar. The earliest departure is at 12:00 AM at night, and the last departure from Blanchardstown is at 11:27 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Liffey Valley SC and take an average of 4h 28m. The schedules shown below are for the next available departures.

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4h 23m • 1 changeWant to know about travelling from Blanchardstown 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 Blanchardstown to Castlebar. However, there are services departing from Blanchardstown station and arriving at Castlebar station via Swinford. The journey, including transfers, takes approximately 4h 28m.
Blanchardstown to Castlebar bus services, operated by Dublin Bus, depart from Liffey Valley SC station.
Blanchardstown to Castlebar bus services, operated by Dublin Bus, arrive at Swinford station.
The distance between Blanchardstown and Castlebar is 199.6 km. The road distance is 240 km.
Expressway (Bus Éireann) operates a bus from Liffey Valley SC to Swinford every 4 hours. Tickets cost €24–35 and the journey takes 3h 5m.