The average bus between Trim and Belfast takes 4h 18m and the fastest bus takes 3h 51m. There is a bus service every few hours from Trim 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 Trim and Belfast. The earliest departure is at 7:00 AM in the morning, and the last departure from Trim is at 10:01 PM which arrives into Belfast at 3:20 AM. All services require a transfer, and take on average 4h 18m. The schedules shown below are for the next available departures.

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4h 14m • 1 change
Want to know about travelling from Trim 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 Trim to Belfast. However, there are services departing from Trim station and arriving at Belfast station via Dublin, O'Connell Street Upper (The Gresham Hotel). The journey, including transfers, takes approximately 4h 18m.
Trim to Belfast bus services, operated by Bus Éireann, depart from Trim Ring Road station.
Trim to Belfast bus services, operated by Bus Éireann, arrive at Europa Bus Centre station.
The distance between Trim and Belfast is 128.9 km. The road distance is 212 km.
You can take a bus from Trim Ring Road to Europa Bus Centre via The Gresham Hotel in around 4h 14m.