The average bus between Oxford and Porton Down takes 7h 18m and the fastest bus takes 4h 36m. The bus service runs several times per day from Oxford 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 Oxford and Porton Down. The earliest departure is at 8:19 AM in the morning, and the last departure from Oxford is at 9:21 PM which arrives into Porton Down at 10:03 AM. All services require a transfer at Heathrow Terminal 5 and take an average of 7h 18m. The schedules shown below are for the next available departures.



5h 44m • 3 changes


4h 52m • 3 changes


5h 43m • 3 changesArrives next day



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5h 43m • 3 changesArrives next day



12h 42m • 3 changes


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5h 43m • 3 changesArrives next day



12h 42m • 3 changesWant to know about travelling from Oxford 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 Oxford to Porton Down. However, there are services departing from Oxford station and arriving at Porton Down station via Heathrow Terminal 5. The journey, including transfers, takes approximately 7h 18m.
Oxford to Porton Down bus services, operated by Oxford Bus Company, depart from Queens Lane station.
Oxford to Porton Down bus services, operated by Oxford Bus Company, arrive at Meeting House Lane station.
The distance between Oxford and Porton Down is 77 km. The road distance is 237 km.
You can take a bus from Queens Lane to Firs Road Top via Heathrow Terminal 5, Meeting House Lane, New Canal, and Endless Street in around 5h 37m.