The average bus between Portsmouth and Southwark takes 3h 7m and the fastest bus takes 2h 26m. There is a bus service every few hours from Portsmouth to Southwark. 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 Portsmouth and Southwark. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Southwark at 11:18 PM. All services require a transfer at London Victoria Coach Station Arrivals and take an average of 3h 7m. The schedules shown below are for the next available departures.

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3h 31m • 1 changeWant to know about travelling from Portsmouth to Southwark? 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 Southwark. However, there are services departing from The Hard Interchange station and arriving at London Victoria Coach Station Arrivals via London Victoria Coach Station Arrivals. The journey, including transfers, takes approximately 3h 7m.
Portsmouth to Southwark bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Southwark bus services, operated by National Express, arrive at London Victoria Coach Station Arrivals.
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The distance between Portsmouth and Southwark is 104.3 km. The road distance is 121 km.
National Express operates a bus from The Hard Interchange to London Victoria Coach Station Arrivals every 2 hours. Tickets cost £12–22 and the journey takes 3h.