The average bus between Portadown and Castleknock takes 3h 58m and the fastest bus takes 3h 42m. The bus service runs several times per day from Portadown 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 3 hours between Portadown and Castleknock. The earliest departure is at 7:35 AM in the morning, and the last departure from Portadown is at 5:45 PM which arrives into Castleknock at 9:27 PM. All services require a transfer at Kenlis Street and take an average of 3h 58m. The schedules shown below are for the next available departures.


3h 53m • 2 changes


3h 49m • 2 changes


3h 47m • 2 changes


3h 47m • 2 changes


3h 48m • 2 changes


4h 30m • 2 changes


3h 55m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 30m • 2 changes


3h 55m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 30m • 2 changes


3h 55m • 2 changes


3h 55m • 2 changes


3h 48m • 2 changes


4h 30m • 2 changes


3h 55m • 2 changes


3h 55m • 2 changes
Want to know about travelling from Portadown 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 Portadown to Castleknock. However, there are services departing from Portadown station and arriving at Castleknock station via Dublin Busaras Bus Station station. The journey, including transfers, takes approximately 3h 58m.
Portadown to Castleknock bus services, operated by Translink, depart from Kenlis Street station.
Portadown to Castleknock bus services, operated by Translink, arrive at Dublin Busaras Bus Station.
The distance between Portadown and Castleknock is 116.9 km. The road distance is 159 km.
Translink operates a bus from Kenlis Street to Dublin Busaras Bus Station hourly, and the journey takes 2h 10m.