The average bus between Reading and Watford takes 2h 1m and the fastest bus takes 1h 42m. There is a bus service every few hours from Reading to Watford. 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 Reading and Watford. The earliest departure is at 3:20 AM at night, and the last departure from Reading is at 10:03 PM which arrives into Watford at 12:18 AM. All services require a transfer, and take on average 2h 1m. The schedules shown below are for the next available departures.

1h 57m • 1 change

1h 57m • 1 change

2h 8m • 1 change

2h 12m • 1 change

2h 1m • 1 change

2h 6m • 1 change

2h 5m • 1 change

1h 50m • 1 change

2h 1m • 1 change

2h 6m • 1 change

2h 5m • 1 change

2h 7m • 1 change
Want to know about travelling from Reading to Watford? 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 Watford. However, there are services departing from Reading station and arriving at Watford station via Heathrow Terminal 3. The journey, including transfers, takes approximately 2h 1m.
Reading to Watford bus services, operated by RailAir, depart from Reading RailAir station.
Reading to Watford bus services, operated by RailAir, arrive at Town Hall station.
The distance between Reading and Watford is 45.5 km. The road distance is 85 km.
You can take a bus from Reading RailAir to Town Hall via Heathrow Terminal 3 in around 1h 49m.