The average bus between Clifton and Portsmouth takes 4h 50m and the fastest bus takes 4h 20m. The bus service runs several times per day from Clifton to Portsmouth. 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 every 4 hours between Clifton and Portsmouth. The earliest departure is at 5:50 AM in the morning, and the last departure from Clifton is at 7:50 PM which arrives into Portsmouth at 12:30 AM. All services require a transfer, and take on average 4h 50m. The schedules shown below are for the next available departures.

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4h 55m • 1 change

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5h 20m • 1 change

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4h 30m • 1 change

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4h 55m • 1 change
Want to know about travelling from Clifton to Portsmouth? 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 Clifton to Portsmouth. However, there are services departing from Clifton station and arriving at Portsmouth station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 4h 50m.
Clifton to Portsmouth bus services, operated by National Express, depart from Bus Station.
Clifton to Portsmouth bus services, operated by National Express, arrive at St Georges Square station.
The distance between Clifton and Portsmouth is 129.7 km. The road distance is 274 km.
You can take a bus from Bus Station to St Georges Square via Heathrow Central Bus Station in around 4h 49m.