The average bus between Portsmouth Harbour and Southampton Port takes 2h and the fastest bus takes 1h 51m. The bus service runs several times per day from Portsmouth Harbour to Southampton Port. 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 Portsmouth Harbour and Southampton Port. The earliest departure is at 7:22 AM in the morning, and the last departure from Portsmouth Harbour is at 4:02 PM which arrives into Southampton Port at 5:53 PM. All services require a transfer at The Hard Interchange and take an average of 2h. The schedules shown below are for the next available departures.

1h 52m • 1 change

1h 56m • 1 change

1h 56m • 1 change

2h 1m • 1 change
Want to know about travelling from Portsmouth Harbour to Southampton Port? 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 Harbour to Southampton Port. However, there are services departing from Portsmouth Harbour station and arriving at Southampton Port station via ASDA & Marlands. The journey, including transfers, takes approximately 2h.
Portsmouth Harbour to Southampton Port bus services, operated by First Portsmouth, Fareham & Gosport, depart from The Hard Interchange station.
Portsmouth Harbour to Southampton Port bus services, operated by First Portsmouth, Fareham & Gosport, arrive at ASDA & Marlands station.
The distance between Portsmouth Harbour and Southampton Port is 26.9 km. The road distance is 43 km.
First Portsmouth, Fareham & Gosport operates a bus from The Hard Interchange to ASDA & Marlands every 15 minutes, and the journey takes 1h 42m.