The average bus between Hounslow and Southampton Port takes 3h 10m and the fastest bus takes 2h 35m. There is a bus service every few hours from Hounslow 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 hourly between Hounslow and Southampton Port. The earliest departure is at 12:12 AM at night, and the last departure from Hounslow is at 9:43 PM which arrives into Southampton Port at 12:19 AM. All services require a transfer at Heathrow Terminal 5 and take an average of 3h 10m. The schedules shown below are for the next available departures.


2h 52m • 2 changes


3h 6m • 2 changes
Arrives next day


2h 35m • 2 changes


5h 18m • 2 changes


2h 47m • 2 changes


2h 54m • 2 changes


2h 43m • 2 changes


7h • 2 changes


2h 52m • 2 changes


2h 53m • 2 changes


2h 58m • 2 changes


5h 17m • 2 changes


2h 53m • 2 changes


2h 48m • 2 changes


2h 53m • 2 changes


5h 17m • 2 changes


2h 53m • 2 changes


2h 48m • 2 changes


2h 53m • 2 changes
Want to know about travelling from Hounslow 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 Hounslow to Southampton Port. However, there are services departing from Hounslow station and arriving at Southampton Port station via Heathrow Terminal 5. The journey, including transfers, takes approximately 3h 10m.
Hounslow to Southampton Port bus services, operated by First Bus London, depart from Treaty Centre station.
Hounslow to Southampton Port bus services, operated by First Bus London, arrive at Coach Station.
The distance between Hounslow and Southampton Port is 98.1 km. The road distance is 119 km.
You can take a bus from Treaty Centre to Regents Park Road via Heathrow Terminal 5, Coach Station, and ASDA & Marlands in around 2h 42m.