The average bus between Heathrow and Southampton Port takes 2h 28m and the fastest bus takes 1h 59m. There is a bus service every few hours from Heathrow 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 Heathrow and Southampton Port. The earliest departure is at 1:10 AM at night, and the last departure from Heathrow is at 10:20 PM which arrives into Southampton Port at 12:19 AM. All services require a transfer at Coach Station and take an average of 2h 28m. The schedules shown below are for the next available departures.

2h 18m • 1 change

2h 13m • 1 change

2h 8m • 1 change

2h 23m • 1 change

4h 21m • 1 change

2h 21m • 1 change

2h 9m • 1 change

2h 8m • 1 change

6h 4m • 1 change

2h 23m • 1 change

2h 13m • 1 change

2h 13m • 1 change

4h 21m • 1 change

2h 18m • 1 change

2h 13m • 1 change

2h 8m • 1 change
Want to know about travelling from Heathrow 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 Heathrow to Southampton Port. However, there are services departing from Heathrow station and arriving at Southampton Port station via Coach Station station. The journey, including transfers, takes approximately 2h 28m.
Heathrow to Southampton Port bus services, operated by National Express, depart from Heathrow Central Bus Station.
Heathrow to Southampton Port bus services, operated by National Express, arrive at Coach Station.
The distance between Heathrow and Southampton Port is 93.2 km. The road distance is 111 km.
National Express operates a bus from Heathrow Central Bus Station to Coach Station hourly. Tickets cost £12–30 and the journey takes 1h 50m.