The average bus between Clapham and Portsmouth takes 3h 3m and the fastest bus takes 2h 22m. There is a bus service every few hours from Clapham 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 hourly between Clapham and Portsmouth. The earliest departure is at 7:27 AM in the morning, and the last departure from Clapham is at 11:36 PM which arrives into Portsmouth at 2:15 AM. All services require a transfer at Sloane Square and take an average of 3h 3m. The schedules shown below are for the next available departures.

3h 24m • 1 change

2h 53m • 1 change

3h 29m • 1 change

2h 57m • 1 change

2h 59m • 1 change

2h 37m • 1 change

3h 23m • 1 change

2h 57m • 1 change

3h 23m • 1 change

2h 46m • 1 change

3h 21m • 1 change

2h 56m • 1 change

3h 23m • 1 change

2h 46m • 1 change

3h 20m • 1 change

2h 55m • 1 change

3h 23m • 1 change

2h 46m • 1 change

3h 20m • 1 change

2h 55m • 1 change
Want to know about travelling from Clapham 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 Clapham to Portsmouth. However, there are services departing from Clapham station and arriving at Portsmouth station via St Georges Square. The journey, including transfers, takes approximately 3h 3m.
Clapham to Portsmouth bus services, operated by Arriva UK, depart from London Victoria station.
Clapham to Portsmouth bus services, operated by Arriva UK, arrive at St Georges Square station.
The distance between Clapham and Portsmouth is 99.3 km. The road distance is 138 km.
National Express operates a bus from London Victoria to St Georges Square hourly. Tickets cost £16–40 and the journey takes 2h 50m.