The average bus between Dublin Port and Roscommon takes 4h 53m and the fastest bus takes 3h 18m. The bus service runs several times per day from Dublin Port to Roscommon. 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 Dublin Port and Roscommon. The earliest departure is at 7:53 AM in the morning, and the last departure from Dublin Port is at 10:36 PM which arrives into Roscommon at 6:52 AM. All services require a transfer at S O'Casey Br and take an average of 4h 53m. The schedules shown below are for the next available departures.


3h 44m • 2 changes


3h 56m • 2 changes


4h 31m • 2 changes


4h 46m • 2 changes


3h 44m • 2 changes


3h 56m • 2 changes


4h 31m • 2 changes


4h 46m • 2 changes


3h 44m • 2 changes


3h 56m • 2 changes


4h 31m • 2 changes


4h 46m • 2 changes


3h 44m • 2 changes


3h 56m • 2 changes


4h 31m • 2 changes


4h 46m • 2 changes


3h 44m • 2 changes


3h 56m • 2 changes


4h 31m • 2 changes


4h 46m • 2 changes


4h 3m • 2 changes


4h 48m • 2 changes


4h 33m • 2 changes


4h 18m • 2 changes
Want to know about travelling from Dublin Port to Roscommon? 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 Dublin Port to Roscommon. However, there are services departing from Dublin Port station and arriving at Roscommon station via Longford Stn. The journey, including transfers, takes approximately 4h 53m.
Dublin Port to Roscommon bus services, operated by Swords Express, depart from Dublin Busáras station.
Dublin Port to Roscommon bus services, operated by Swords Express, arrive at Longford Stn station.
The distance between Dublin Port and Roscommon is 134.3 km. The road distance is 171 km.
Expressway (Bus Éireann) operates a bus from Dublin Busáras to Longford Stn every 2 hours. Tickets cost €19–27 and the journey takes 2h 24m.