The average bus between Watford and Hounslow West Underground Station takes 2h 12m and the fastest bus takes 1h 30m. The bus runs at least 3 times per hour from Watford to Hounslow West Underground Station. 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 every 20 minutes between Watford and Hounslow West Underground Station. The earliest departure is at 6:47 AM in the morning, and the last departure from Watford is at 11:47 PM which arrives into Hounslow West Underground Station at 5:34 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 2h 12m. The schedules shown below are for the next available departures.


1h 33m • 2 changes


1h 56m • 2 changes


1h 54m • 2 changes


1h 46m • 2 changes
Want to know about travelling from Watford to Hounslow West Underground Station? 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 Hounslow West Underground Station. However, there are services departing from Watford station and arriving at Hounslow West Underground Station station via Heathrow Terminal 2. The journey, including transfers, takes approximately 2h 12m.
Watford to Hounslow West Underground Station bus services, operated by First Bus London, depart from Town Hall station.
Watford to Hounslow West Underground Station bus services, operated by First Bus London, arrive at Heathrow Terminal 2 station.
The distance between Watford and Hounslow West Underground Station is 20.3 km. The road distance is 40 km.
First Berkshire & The Thames Valley operates a bus from Town Hall to Heathrow Terminal 2 every 20 minutes, and the journey takes 42 min. Arriva UK also services this route every 30 minutes.