The average bus between Bath and Porton Down takes 3h 48m and the fastest bus takes 2h 39m. The bus service runs several times per day from Bath to Porton Down. 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 3 times a day between Bath and Porton Down. The earliest departure is at 8:14 AM in the morning, and the last departure from Bath is at 3:14 PM which arrives into Porton Down at 5:53 PM. All services require a transfer at Market Place and take an average of 3h 48m. The schedules shown below are for the next available departures.


3h 17m • 2 changes


4h 22m • 2 changes


3h 51m • 2 changes


4h 4m • 2 changes


3h 17m • 2 changes


4h 22m • 2 changes


3h 51m • 2 changes


4h 4m • 2 changes


4h 4m • 2 changes


3h 41m • 2 changes


3h 49m • 2 changes


2h 39m • 2 changes
Want to know about travelling from Bath to Porton Down? 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 Bath to Porton Down. However, there are services departing from Bath station and arriving at Porton Down station via Market Place. The journey, including transfers, takes approximately 3h 48m.
Bath to Porton Down bus services, operated by First Bristol, Bath & the West, depart from Bear Flat station.
Bath to Porton Down bus services, operated by First Bristol, Bath & the West, arrive at Blue Boar Row station.
The distance between Bath and Porton Down is 54.6 km. The road distance is 83 km.
You can take a bus from Bear Flat to Firs Road Top via Market Place, Blue Boar Row, and Endless Street in around 4h 30m.