The average bus between Porton Down and Milton Keynes takes 7h 23m and the fastest bus takes 5h 38m. The bus service runs several times per day from Porton Down to Milton Keynes. 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 Porton Down and Milton Keynes. The earliest departure is at 7:59 AM in the morning, and the last departure from Porton Down is at 7:33 PM which arrives into Milton Keynes at 4:45 AM. All services require a transfer at New Canal and take an average of 7h 23m. The schedules shown below are for the next available departures.




6h 30m • 4 changes




7h 1m • 4 changes
Arrives next day




9h 12m • 4 changes




6h 30m • 4 changes




7h 1m • 4 changes
Arrives next day




9h 12m • 4 changes
Want to know about travelling from Porton Down to Milton Keynes? 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 Porton Down to Milton Keynes. However, there are services departing from Porton Down station and arriving at Milton Keynes station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 7h 23m.
Porton Down to Milton Keynes bus services, operated by Salisbury Reds, depart from Meeting House Lane station.
Porton Down to Milton Keynes bus services, operated by Salisbury Reds, arrive at Milton Keynes Coachway station.
The distance between Porton Down and Milton Keynes is 121.6 km. The road distance is 266 km.
You can take a bus from Firs Road Top to The Point via New Canal, Blue Boar Row, Meeting House Lane, Heathrow Central Bus Station, and Milton Keynes Coachway in around 6h 2m.