The average bus between Dublin Port and Donegal takes 4h 10m and the fastest bus takes 3h 57m. There is a bus service every few hours from Dublin Port to Donegal. 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 Dublin Port and Donegal. The earliest departure is at 6:21 AM in the morning, and the last departure from Dublin Port is at 11:51 PM which arrives into Donegal at 4:26 AM. All services require a transfer at Dublin Airport, Terminal 2 and take an average of 4h 10m. The schedules shown below are for the next available departures.

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Want to know about travelling from Dublin Port to Donegal? 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 Donegal. However, there are services departing from Dublin Port station and arriving at Donegal station via Donegal. The journey, including transfers, takes approximately 4h 10m.
Dublin Port to Donegal bus services, operated by Dublin Express, depart from Dublin Airport Zone 12 station.
Dublin Port to Donegal bus services, operated by Dublin Express, arrive at Donegal station.
The distance between Dublin Port and Donegal is 190.5 km. The road distance is 247 km.
Expressway (Bus Éireann) operates a bus from Dublin Airport Zone 12 to Donegal hourly. Tickets cost €26–40 and the journey takes 3h 46m.