The average bus between Watford and Welwyn takes 2h 40m and the fastest bus takes 2h 26m. There is at least one bus per day from Watford 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 once daily between Watford and Welwyn. The earliest departure is at 8:12 AM in the morning, and the last departure from Watford is at 8:12 PM which arrives into Welwyn at 10:43 PM. All services require a transfer, and take on average 2h 40m. The schedules shown below are for the next available departures.

2h 38m • 1 change
2h 38m • 1 change
2h 38m • 1 change
2h 38m • 1 changeWant to know about travelling from Watford 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 Watford to Welwyn. However, there are services departing from Clarendon Road station and arriving at St Mary's Church station via St Peter's Street station. The journey, including transfers, takes approximately 2h 40m.
Watford to Welwyn bus services, operated by Arriva UK, depart from Clarendon Road station.
Watford to Welwyn bus services, operated by Arriva UK, arrive at St Mary's Church station.
The distance between Watford and Welwyn is 23 km. The road distance is 29 km.
You can take a bus from Clarendon Road to St Mary's Church via St Peter's Street in around 2h 31m.