The average bus between Swindon and Watford takes 2h 28m and the fastest bus takes 1h 56m. The bus service runs several times per day from Swindon 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 every 4 hours between Swindon and Watford. The earliest departure is at 3:25 AM at night, and the last departure from Swindon is at 6:15 PM which arrives into Watford at 8:47 PM. All services require a transfer at London Heathrow Airport and take an average of 2h 28m. The schedules shown below are for the next available departures.

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2h 17m • 1 change
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2h 39m • 1 changeWant to know about travelling from Swindon 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 Swindon to Watford. However, there are services departing from Swindon - Regent Circus station and arriving at Town Hall station via London Heathrow Airport station. The journey, including transfers, takes approximately 2h 28m.
Swindon to Watford bus services, operated by FlixBus, depart from Swindon - Regent Circus station.
Swindon to Watford bus services, operated by First Berkshire & The Thames Valley, arrive at Town Hall station.
The distance between Swindon and Watford is 96.3 km. The road distance is 123 km.
You can take a bus from Swindon - Regent Circus to Town Hall via London Heathrow Airport and Heathrow Terminal 3 in around 2h 28m.