The average bus between Waterloo International Station and Portsmouth takes 3h 4m and the fastest bus takes 2h 18m. There is a bus service every few hours from Waterloo International Station 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 Waterloo International Station and Portsmouth. The earliest departure is at 7:33 AM in the morning, and the last departure from Waterloo International Station is at 11:43 PM which arrives into Portsmouth at 2:15 AM. All services require a transfer at Victoria Coach Station and take an average of 3h 4m. The schedules shown below are for the next available departures.

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Want to know about travelling from Waterloo International Station 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 Waterloo International Station to Portsmouth. However, there are services departing from Waterloo International Station station and arriving at Portsmouth station via St Georges Square. The journey, including transfers, takes approximately 3h 4m.
Waterloo International Station to Portsmouth bus services, operated by Go Ahead London, depart from London Victoria station.
Waterloo International Station to Portsmouth bus services, operated by Go Ahead London, arrive at St Georges Square station.
Book your Waterloo International Station to Portsmouth bus tickets online with Go Ahead London and National Express.
The distance between Waterloo International Station and Portsmouth is 103.8 km. The road distance is 136 km.
National Express operates a bus from London Victoria to St Georges Square hourly. Tickets cost £15–40 and the journey takes 2h 50m.