The average bus between Donegal and Carlow takes 6h 18m and the fastest bus takes 5h 50m. There is a bus service every few hours from Donegal to Carlow. 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 2 hours between Donegal and Carlow. The earliest departure is at 1:00 AM at night, and the last departure from Donegal is at 7:00 PM which arrives into Carlow at 1:25 AM. All services require a transfer at Dublin Airport Terminal 2 Zone 19 and take an average of 6h 18m. The schedules shown below are for the next available departures.

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Want to know about travelling from Donegal to Carlow? 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 Donegal to Carlow. However, there are services departing from Donegal station and arriving at Carlow station via Dublin Airport Terminal 2 Zone 19. The journey, including transfers, takes approximately 6h 18m.
Donegal to Carlow bus services, operated by Expressway (Bus Éireann), depart from Donegal station.
Donegal to Carlow bus services, operated by Expressway (Bus Éireann), arrive at Carlow Bus Station.
The distance between Donegal and Carlow is 216.1 km. The road distance is 335 km.
You can take a bus from Donegal to Carlow Bus Station via Dublin Airport Terminal 2 Zone 19 and Dublin Airport Zone 16 in around 6h 14m.