The average bus between Swindon and Harrow takes 2h 35m and the fastest bus takes 2h 19m. The bus service runs several times per day from Swindon to Harrow. 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 Harrow. The earliest departure is at 3:25 AM at night, and the last departure from Swindon is at 7:15 PM which arrives into Harrow at 9:34 PM. All services require a transfer at London Heathrow Airport and take an average of 2h 35m. The schedules shown below are for the next available departures.

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Want to know about travelling from Swindon to Harrow? 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 Harrow. However, there are services departing from Swindon station and arriving at Harrow station via London Heathrow Airport. The journey, including transfers, takes approximately 2h 35m.
Swindon to Harrow bus services, operated by FlixBus, depart from Regent Circus Swindon station.
Swindon to Harrow bus services, operated by FlixBus, arrive at Harrow Bus Station.
The distance between Swindon and Harrow is 99.8 km. The road distance is 126 km.
You can take a bus from Regent Circus Swindon to Harrow Bus Station via London Heathrow Airport and Heathrow Central Bus Station in around 2h 29m.