The average bus between Penzance and Portsmouth takes 12h 54m and the fastest bus takes 10h 55m. The bus service runs several times per day from Penzance 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 3 times a day between Penzance and Portsmouth. The earliest departure is at 4:45 AM at night, and the last departure from Penzance is at 9:25 PM which arrives into Portsmouth at 10:50 AM. All services require a transfer, and take on average 12h 54m. The schedules shown below are for the next available departures.

12h 5m • 1 change

13h 25m • 1 change
Arrives next day

13h 15m • 1 change

11h 25m • 1 change

13h 25m • 1 change
Arrives next day

13h 15m • 1 change

11h 25m • 1 change

13h 25m • 1 change
Arrives next day

13h 25m • 1 change

11h 40m • 1 change

10h 55m • 1 change
Arrives next day

13h 25m • 1 change
Want to know about travelling from Penzance 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 Penzance to Portsmouth. However, there are services departing from Penzance station and arriving at Portsmouth station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 12h 54m.
Penzance to Portsmouth bus services, operated by National Express, depart from Bus Station.
Penzance to Portsmouth bus services, operated by National Express, arrive at St Georges Square station.
Book your Penzance to Portsmouth bus tickets online with National Express.
The distance between Penzance and Portsmouth is 323.6 km. The road distance is 576 km.
You can take a bus from Bus Station to St Georges Square via Heathrow Central Bus Station in around 10h 49m.