The bus between South Dublin and Belfast takes 2h 35m. There is a bus service every few hours from South Dublin 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 South Dublin and Belfast. The earliest departure is at 12:45 AM at night, and the last departure from South Dublin is at 10:45 PM which arrives into Belfast at 1:20 AM. All services require a transfer at Airport Zone 16 and take an average of 2h 35m. The schedules shown below are for the next available departures.

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2h 35m • 1 changeWant to know about travelling from South Dublin 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 South Dublin to Belfast. However, there are services departing from Terminal 1 Zone 2 station and arriving at Belfast Glengall station via Belfast Glengall station. The journey, including transfers, takes approximately 2h 35m.
South Dublin to Belfast bus services, operated by Aircoach, depart from Terminal 1 Zone 2 station.
South Dublin to Belfast bus services, operated by Aircoach, arrive at Belfast Glengall station.
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The distance between South Dublin and Belfast is 147.8 km. The road distance is 175 km.
Aircoach operates a bus from Terminal 1 Zone 2 to Belfast Glengall hourly. Tickets cost £12–17 and the journey takes 1h 50m.