The average bus between Didcot and Watford takes 4h 14m and the fastest bus takes 3h 13m. There is an hourly bus service from Didcot 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 Didcot and Watford. The earliest departure is at 2:12 AM at night, and the last departure from Didcot is at 10:52 PM which arrives into Watford at 6:43 AM. All services require a transfer at Reading and take an average of 4h 14m. The schedules shown below are for the next available departures.


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4h 23m • 2 changesWant to know about travelling from Didcot 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 Didcot to Watford. However, there are services departing from Reading RailAir station and arriving at Town Hall station via Heathrow Terminal 3 station. The journey, including transfers, takes approximately 4h 14m.
Didcot to Watford bus services, operated by RailAir, depart from Reading RailAir station.
Didcot to Watford bus services, operated by First Berkshire & The Thames Valley, arrive at Town Hall station.
The distance between Didcot and Watford is 58.6 km. The road distance is 77 km.
You can take a train from Didcot Parkway to Town Hall via Reading, Reading RailAir, and Heathrow Terminal 3 in around 2h 41m.