The average bus between Ayr and Port William takes 7h 34m and the fastest bus takes 4h 30m. The bus service runs several times per day from Ayr to Port William. 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 twice daily between Ayr and Port William. The earliest departure is at 9:15 AM in the morning, and the last departure from Ayr is at 7:15 PM which arrives into Port William at 10:05 AM. All services require a transfer at Port Rodie and take an average of 7h 34m. The schedules shown below are for the next available departures.

4h 30m • 1 change

4h 35m • 1 change
Arrives next day

14h 50m • 1 change

4h 30m • 1 change

4h 35m • 1 change
Arrives next day

14h 50m • 1 change
Want to know about travelling from Ayr to Port William? 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 Ayr to Port William. However, there are services departing from Ayr station and arriving at Port William station via Port Rodie. The journey, including transfers, takes approximately 7h 34m.
Ayr to Port William bus services, operated by Scottish Citylink Coaches Ltd, depart from Ayr Bus Station.
Ayr to Port William bus services, operated by Scottish Citylink Coaches Ltd, arrive at Post Office station.
The distance between Ayr and Port William is 78.3 km. The road distance is 121 km.
You can take a bus from Ayr Bus Station to Post Office via Port Rodie and Port Rodie Ferry Terminal in around 3h 20m.