The average bus between Watford and Welwyn takes 2h 4m and the fastest bus takes 1h 40m. There is an hourly bus service 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 hourly between Watford and Welwyn. The earliest departure is at 4:35 AM at night, and the last departure from Watford is at 9:41 PM which arrives into Welwyn at 11:43 PM. All services require a transfer, and take on average 2h 4m. The schedules shown below are for the next available departures.

2h 56m • 1 change

1h 55m • 1 change

1h 51m • 1 change

1h 49m • 1 change

3h 23m • 1 change

2h 38m • 1 change

2h 10m • 1 change

2h 11m • 1 change

2h 3m • 1 change

2h 16m • 1 change

2h 5m • 1 change

2h 16m • 1 change
Want 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 Watford station and arriving at Welwyn station via St Peter's Street. The journey, including transfers, takes approximately 2h 4m.
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 38 km.
You can take a bus from Clarendon Road to St Mary's Church via St Peter's Street in around 2h 20m.