The average bus between Brentford and Watford takes 1h 24m and the fastest bus takes 1h 9m. The bus service runs several times per day from Brentford 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 4 times a day between Brentford and Watford. The earliest departure is at 3:56 AM at night, and the last departure from Brentford is at 7:27 AM which arrives into Watford at 9:34 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 1h 24m. The schedules shown below are for the next available departures.

1h 17m • 1 change

1h 25m • 1 change

1h 32m • 1 change

1h 34m • 1 change
Want to know about travelling from Brentford 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 Brentford to Watford. However, there are services departing from Brentford station and arriving at Watford station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 1h 24m.
Brentford to Watford bus services, operated by Metroline Travel, depart from Syon Lane station.
Brentford to Watford bus services, operated by Metroline Travel, arrive at Town Hall station.
The distance between Brentford and Watford is 19.5 km. The road distance is 47 km.
You can take a bus from Syon Lane to Town Hall via Heathrow Central Bus Station and Heathrow Terminal 3 in around 1h 19m.