The average bus between Athlone and Castleknock takes 2h 22m and the fastest bus takes 2h 1m. The bus service runs several times per day from Athlone 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 Athlone and Castleknock. The earliest departure is at 2:30 AM at night, and the last departure from Athlone is at 7:30 PM which arrives into Castleknock at 9:36 PM. All services require a transfer, and take on average 2h 22m. The schedules shown below are for the next available departures.

2h 15m • 1 change

2h 1m • 1 change

2h 5m • 1 change

2h 9m • 1 change

3h 34m • 1 change

2h 38m • 1 change

2h 11m • 1 change

2h 16m • 1 change

5h 34m • 1 change

2h 34m • 1 change

2h 6m • 1 change

2h 14m • 1 change

3h 36m • 1 change

2h 5m • 1 change

2h 10m • 1 change

2h 15m • 1 change

3h 36m • 1 change

2h 5m • 1 change

2h 10m • 1 change

2h 15m • 1 change

3h 36m • 1 change

2h 5m • 1 change

2h 10m • 1 change

2h 15m • 1 change

3h 36m • 1 change

2h 5m • 1 change

2h 10m • 1 change

2h 15m • 1 change
Want to know about travelling from Athlone 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 Athlone to Castleknock. However, there are services departing from Athlone station and arriving at Castleknock station via Liffey Valley SC. The journey, including transfers, takes approximately 2h 22m.
Athlone to Castleknock bus services, operated by Citylink, depart from Arcadia station.
Athlone to Castleknock bus services, operated by Citylink, arrive at Liffey Valley SC station.
The distance between Athlone and Castleknock is 104.6 km. The road distance is 120 km.
Citylink operates a bus from Arcadia to Liffey Valley SC every 4 hours. Tickets cost €14–20 and the journey takes 1h 50m.