The average bus between Watford and Southampton takes 4h 31m and the fastest bus takes 2h 29m. The bus runs, on average, 6 times per week from Watford to Southampton. 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 6 times a week between Watford and Southampton. The earliest departure is at 8:06 AM in the morning, and the last departure from Watford is at 11:01 PM which arrives into Southampton at 11:20 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 4h 31m. The schedules shown below are for the next available departures.

3h 14m • 1 change
3h 23m • 1 change
3h 8m • 1 change
2h 36m • 1 changeWant to know about travelling from Watford to Southampton? 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 Watford to Southampton. However, there are services departing from Town Hall station and arriving at Southampton Central Station via Heathrow Terminal 2 station. The journey, including transfers, takes approximately 4h 31m.
Watford to Southampton bus services, operated by First Berkshire & The Thames Valley, depart from Town Hall station.
Watford to Southampton bus services, operated by FlixBus, arrive at Southampton Central Station.
The distance between Watford and Southampton is 109.1 km. The road distance is 129 km.
You can take a bus from Town Hall to Southampton Central Station via Heathrow Terminal 2 and London Heathrow Airport in around 3h 13m.