The average train between Heathrow Terminal 4 and Harrow on the Hill takes 55 min and the fastest train takes 49 min. The train runs at least 6 times per hour from Heathrow Terminal 4 to Harrow on the Hill. 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 10 minutes between Heathrow Terminal 4 and Harrow on the Hill. The earliest departure is at 8:06 AM in the morning, and the last departure from Heathrow Terminal 4 is at 4:15 PM which arrives into Harrow on the Hill at 5:12 PM. All services require a transfer, and take on average 55 min. The schedules shown below are for the next available departures.

55 min • 1 change

57 min • 1 change

57 min • 1 change

58 min • 1 change
Want to know about travelling from Heathrow Terminal 4 to Harrow on the Hill? 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 Heathrow Terminal 4 to Harrow on the Hill. However, there are services departing from Heathrow Terminal 4 station and arriving at Harrow on the Hill station via Acton Town station station. The journey, including transfers, takes approximately 55 min.
Heathrow Terminal 4 to Harrow on the Hill train services, operated by London Underground (Tube), depart from Heathrow Terminal 4 station.
Heathrow Terminal 4 to Harrow on the Hill train services, operated by London Underground (Tube), arrive at South Harrow station.
The distance between Heathrow Terminal 4 and Harrow on the Hill is 14.5 km. The road distance is 27 km.
You can take a subway from Heathrow Terminal 4 station to South Harrow station via Acton Town station in around 49 min.