The average bus between London and Portchester Castle takes 3h 33m and the fastest bus takes 2h 43m. The bus service runs several times per day from London to Portchester Castle. 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 2 hours between London and Portchester Castle. The earliest departure is at 8:00 AM in the morning, and the last departure from London is at 11:59 PM which arrives into Portchester Castle at 4:37 AM. All services require a transfer at Bus Station and take an average of 3h 33m. The schedules shown below are for the next available departures.

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Want to know about travelling from London to Portchester Castle? 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 London to Portchester Castle. However, there are services departing from London station and arriving at Portchester Castle station via Bus Station station. The journey, including transfers, takes approximately 3h 33m.
London to Portchester Castle bus services, operated by National Express, depart from London Victoria station.
London to Portchester Castle bus services, operated by National Express, arrive at Bus Station.
The distance between London and Portchester Castle is 101.5 km. The road distance is 153 km.
National Express operates a bus from London Victoria to Bus Station hourly. Tickets cost £17–45 and the journey takes 3h 10m.