The average train between Hounslow and Harrow takes 39 min and the fastest train takes 34 min. The train runs at least 5 times per hour from Hounslow 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.
Trains run every 15 minutes between Hounslow and Harrow. The earliest departure is at 6:12 AM in the morning, and the last departure from Hounslow is at 2:54 PM which arrives into Harrow at 3:31 PM. All services require a transfer, and take on average 39 min. The schedules shown below are for the next available departures.

40 min • 1 change

39 min • 1 change

41 min • 1 change

40 min • 1 change
Want to know about travelling from Hounslow 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 train from Hounslow to Harrow. However, there are services departing from Hounslow station and arriving at Harrow station via Acton Town station station. The journey, including transfers, takes approximately 39 min.
Hounslow to Harrow train services, operated by London Underground (Tube), depart from Hounslow Central station.
Hounslow to Harrow train services, operated by London Underground (Tube), arrive at South Harrow station.
The distance between Hounslow and Harrow is 12.6 km. The road distance is 17 km.
You can take a subway from Hounslow Central station to South Harrow station via Acton Town station in around 36 min.