The average bus between Watford Junction and St James's Square takes 1h 42m and the fastest bus takes 1h 14m. The bus runs at least 2 times per hour from Watford Junction to St James's Square. 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 30 minutes between Watford Junction and St James's Square. The earliest departure is at 12:42 AM at night, and the last departure from Watford Junction is at 11:42 PM which arrives into St James's Square at 1:39 AM. All services require a transfer at Black Boy PH and take an average of 1h 42m. The schedules shown below are for the next available departures.


1h 55m • 2 changes

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1h 28m • 2 changes

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1h 29m • 2 changes

1h 27m • 2 changes

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1h 47m • 2 changes

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1h 33m • 2 changesWant to know about travelling from Watford Junction to St James's Square? 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 Junction to St James's Square. However, there are services departing from Watford Junction station and arriving at Marble Arch station via Black Boy PH station. The journey, including transfers, takes approximately 1h 42m.
Watford Junction to St James's Square bus services, operated by Arriva UK, depart from Watford Junction station.
Watford Junction to St James's Square bus services, operated by Green Line, arrive at Marble Arch station.
The distance between Watford Junction and St James's Square is 25 km. The road distance is 30 km.
You can take a bus from Watford Junction station to St James's Square via Black Boy PH, Marble Arch, and Piccadilly Circus in around 1h 34m.