The average train between Hounslow and South Harrow takes 42 min and the fastest train takes 37 min. The train runs at least 5 times per hour from Hounslow to South 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.
Trains run every 15 minutes between Hounslow and South Harrow. The earliest departure is at 12:01 AM at night, and the last departure from Hounslow is at 11:58 PM which arrives into South Harrow at 12:42 AM. All services require a transfer, and take on average 42 min. The schedules shown below are for the next available departures.

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45 min • 1 changeWant to know about travelling from Hounslow to South 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 train from Hounslow to South Harrow. However, there are services departing from Hounslow Central station and arriving at South Harrow station via Acton Town station. The journey, including transfers, takes approximately 42 min.
Hounslow to South Harrow train services, operated by London Underground (Tube), depart from Hounslow Central station.
Hounslow to South Harrow train services, operated by London Underground (Tube), arrive at South Harrow station.
The distance between Hounslow and South Harrow is 10.9 km. The road distance is 16 km.
You can take a subway from Hounslow Central station to South Harrow station via Acton Town station in around 38 min.