The average train between Watford and Brentford takes 1h 37m and the fastest train takes 1h 2m. There is a train service every few hours from Watford to Brentford. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Watford and Brentford. The earliest departure is at 5:54 AM in the morning, and the last departure from Watford is at 11:42 PM which arrives into Brentford at 5:54 AM. All services require a transfer at Willesden Junction Low Level and take an average of 1h 37m. The schedules shown below are for the next available departures.

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1h 32m • 1 changeWant to know about travelling from Watford to Brentford? 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 train from Watford to Brentford. However, there are services departing from Watford High Street station and arriving at Gunnersbury station via Willesden Junction Low Level station. The journey, including transfers, takes approximately 1h 37m.
Watford to Brentford train services, operated by London Overground, depart from Watford High Street station.
Watford to Brentford train services, operated by London Overground, arrive at Gunnersbury station.
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The distance between Watford and Brentford is 19.5 km. The road distance is 24 km.
You can take a train from Watford High Street to West Cross Way via Willesden Junction Low Level, Willesden Junction, Gunnersbury, and Gunnersbury Station in around 1h 8m.