The average bus between Castletroy and Belfast takes 5h 16m and the fastest bus takes 4h 45m. There is a bus service every few hours from Castletroy to Belfast. 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 Castletroy and Belfast. The earliest departure is at 12:06 AM at night, and the last departure from Castletroy is at 7:35 PM which arrives into Belfast at 1:20 AM. All services require a transfer, and take on average 5h 16m. The schedules shown below are for the next available departures.

5h 45m • 1 change

4h 45m • 1 change

4h 45m • 1 change

4h 45m • 1 change

5h 14m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 14m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 14m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 14m • 1 change

5h 45m • 1 change

5h 45m • 1 change

5h 45m • 1 change
Want to know about travelling from Castletroy to Belfast? 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 Castletroy to Belfast. However, there are services departing from Castletroy station and arriving at Belfast station via Dublin Airport Terminal 1 Zone 2. The journey, including transfers, takes approximately 5h 16m.
Castletroy to Belfast bus services, operated by Citylink, depart from Elm Park station.
Castletroy to Belfast bus services, operated by Citylink, arrive at Europa Bus Centre station.
The distance between Castletroy and Belfast is 276.6 km. The road distance is 358 km.
You can take a bus from Elm Park to Europa Bus Centre via Dublin Airport Terminal 1 Zone 2 in around 4h 55m.