The average bus between Portsmouth and Isleworth takes 4h and the fastest bus takes 2h 31m. There is at least one bus per day from Portsmouth to Isleworth. 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 once daily between Portsmouth and Isleworth. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Isleworth at 12:18 AM. All services require a transfer, and take on average 4h. The schedules shown below are for the next available departures.
Want to know about travelling from Portsmouth to Isleworth? 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 Portsmouth to Isleworth. However, there are services departing from Portsmouth station and arriving at Isleworth station via Heathrow Terminal 5. The journey, including transfers, takes approximately 4h.
Portsmouth to Isleworth bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Isleworth bus services, operated by National Express, arrive at West Thames College station.
Book your Portsmouth to Isleworth bus tickets online with National Express and Metroline Travel.
The distance between Portsmouth and Isleworth is 91.6 km. The road distance is 118 km.
You can take a bus from The Hard Interchange to West Thames College via Heathrow Terminal 5 in around 2h 53m.
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