The average bus between Reading and Welwyn takes 4h 55m and the fastest bus takes 4h 42m. There is at least one bus per day from Reading 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 Reading and Welwyn. The earliest departure is at 4:20 AM at night, and the last departure from Reading is at 5:56 PM which arrives into Welwyn at 10:43 PM. All services require a transfer at Heathrow Terminal 2 and take an average of 4h 55m. The schedules shown below are for the next available departures.


5h 25m • 2 changes

4h 53m • 2 changes

4h 53m • 2 changes

4h 54m • 2 changesWant to know about travelling from Reading 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 Reading to Welwyn. However, there are services departing from Reading RailAir station and arriving at St Mary's Church station via Heathrow Terminal 2 station and St Peter's Street station. The journey, including transfers, takes approximately 4h 55m.
Reading to Welwyn bus services, operated by RailAir, depart from Reading RailAir station.
Reading to Welwyn bus services, operated by Arriva UK, arrive at St Mary's Church station.
The distance between Reading and Welwyn is 66.7 km. The road distance is 86 km.
You can take a bus from Reading RailAir to St Mary's Church via Heathrow Terminal 2, Heathrow Central Bus Station, and St Peter's Street in around 5h 1m.