The average bus between Castle Douglas and Ayr takes 6h 20m and the fastest bus takes 3h 29m. The bus service runs several times per day from Castle Douglas to Ayr. 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 Castle Douglas and Ayr. The earliest departure is at 6:55 AM in the morning, and the last departure from Castle Douglas is at 9:10 PM which arrives into Ayr at 9:20 AM. All services require a transfer, and take on average 6h 20m. The schedules shown below are for the next available departures.

5h 25m • 1 change

3h 29m • 1 change
Arrives next day

12h 9m • 1 change

4h 34m • 1 change

5h 25m • 1 change

3h 29m • 1 change
Arrives next day

12h 9m • 1 change

4h 34m • 1 change

5h 25m • 1 change

3h 29m • 1 change
Arrives next day

12h 9m • 1 change

4h 34m • 1 change

5h 25m • 1 change

3h 29m • 1 change
Arrives next day

12h 9m • 1 change

4h 34m • 1 change

5h 25m • 1 change

3h 29m • 1 change
Arrives next day

12h 9m • 1 change
Want to know about travelling from Castle Douglas to Ayr? 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 Castle Douglas to Ayr. However, there are services departing from Castle Douglas station and arriving at Ayr station via Port Rodie. The journey, including transfers, takes approximately 6h 20m.
Castle Douglas to Ayr bus services, operated by Houstons Minicoaches, depart from Royal Bank station.
Castle Douglas to Ayr bus services, operated by Houstons Minicoaches, arrive at Ayr Bus Station.
The distance between Castle Douglas and Ayr is 73.3 km. The road distance is 176 km.
You can take a bus from Royal Bank to Ayr Bus Station via Port Rodie in around 4h 26m.