The average bus between Santry and Donegal takes 4h 1m and the fastest bus takes 3h 42m. There is a bus service every few hours from Santry 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 Santry and Donegal. The earliest departure is at 12:19 AM at night, and the last departure from Santry is at 11:04 PM which arrives into Donegal at 2:48 AM. All services require a transfer, and take on average 4h 1m. The schedules shown below are for the next available departures.

4h 6m • 1 change

4h 20m • 1 change

4h 9m • 1 change

4h 15m • 1 change

4h 6m • 1 change

4h 3m • 1 change

4h 6m • 1 change

4h 1m • 1 change

4h 6m • 1 change

4h 3m • 1 change

4h 6m • 1 change

4h 1m • 1 change

4h 6m • 1 change

3h 55m • 1 change

3h 52m • 1 change

4h 2m • 1 change
Want to know about travelling from Santry 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 Santry to Donegal. However, there are services departing from Santry station and arriving at Donegal station via Donegal. The journey, including transfers, takes approximately 4h 1m.
Santry to Donegal bus services, operated by Dublin Bus, depart from Dublin Airport Zone 12 station.
Santry to Donegal bus services, operated by Dublin Bus, arrive at Donegal station.
The distance between Santry and Donegal is 185.4 km. The road distance is 240 km.
Expressway (Bus Éireann) operates a bus from Dublin Airport Zone 12 to Donegal hourly. Tickets cost €26–40 and the journey takes 3h 37m.