The average bus between Southampton and Welwyn takes 5h 31m and the fastest bus takes 4h 59m. The bus service runs several times per day from Southampton to Welwyn. 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 5 times a day between Southampton and Welwyn. The earliest departure is at 4:05 AM at night, and the last departure from Southampton is at 4:45 PM which arrives into Welwyn at 9:48 PM. All services require a transfer at London Heathrow Airport and take an average of 5h 31m. The schedules shown below are for the next available departures.


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5h 39m • 2 changesWant to know about travelling from Southampton to Welwyn? 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 Southampton to Welwyn. However, there are services departing from Southampton station and arriving at Welwyn station via London Heathrow Airport. The journey, including transfers, takes approximately 5h 31m.
Southampton to Welwyn bus services, operated by FlixBus, depart from Southampton Central Station.
Southampton to Welwyn bus services, operated by FlixBus, arrive at St Mary's Church station.
The distance between Southampton and Welwyn is 131.9 km. The road distance is 178 km.
You can take a bus from Southampton Central Station to St Mary's Church via London Heathrow Airport, Heathrow Central Bus Station, and St Peter's Street in around 5h 52m.