The average bus between Dublin and Greencastle takes 6h 45m and the fastest bus takes 4h 40m. The bus service runs several times per day from Dublin to Greencastle. 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 4 times a day between Dublin and Greencastle. The earliest departure is at 9:30 AM in the morning, and the last departure from Dublin is at 8:30 PM which arrives into Greencastle at 10:10 AM. All services require a transfer, and take on average 6h 45m. The schedules shown below are for the next available departures.

6h 10m • 1 change

7h • 1 change
Arrives next day

6h 25m • 1 change

6h 10m • 1 change

7h • 1 change
Arrives next day

6h 25m • 1 change

6h 10m • 1 change

5h • 1 change

5h 30m • 1 change
Arrives next day

4h 40m • 1 change

6h 10m • 1 change

7h • 1 change
Arrives next day

6h 25m • 1 change
Want to know about travelling from Dublin to Greencastle? 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 to Greencastle. However, there are services departing from Dublin station and arriving at Greencastle station via Letterkenny Bus. The journey, including transfers, takes approximately 6h 45m.
Dublin to Greencastle bus services, operated by Mc Ginley Coach Travel, depart from Parnell Square Nth station.
Dublin to Greencastle bus services, operated by Mc Ginley Coach Travel, arrive at Greencastle station.
The distance between Dublin and Greencastle is 213.4 km. The road distance is 305 km.
You can take a bus from Parnell Square Nth to Greencastle via Letterkenny Bus in around 5h 45m.