The average train between London Heathrow Airport (LHR) and Harrow takes 47 min and the fastest train takes 43 min. The train runs at least 6 times per hour from London Heathrow Airport (LHR) 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 10 minutes between London Heathrow Airport (LHR) and Harrow. The earliest departure is at 3:41 PM in the afternoon, and the last departure from London Heathrow Airport (LHR) is at 11:18 PM which arrives into Harrow at 12:04 AM. All services require a transfer, and take on average 47 min. The schedules shown below are for the next available departures.

51 min • 1 change

46 min • 1 change

48 min • 1 change

46 min • 1 change
Want to know about travelling from London Heathrow Airport (LHR) 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 London Heathrow Airport (LHR) to Harrow. However, there are services departing from London Heathrow Airport (LHR) station and arriving at Harrow station via Acton Town station station. The journey, including transfers, takes approximately 47 min.
London Heathrow Airport (LHR) to Harrow train services, operated by London Underground (Tube), depart from Heathrow Terminals 2 & 3 station.
London Heathrow Airport (LHR) to Harrow train services, operated by London Underground (Tube), arrive at South Harrow station.
The distance between London Heathrow Airport (LHR) and Harrow is 14.7 km. The road distance is 23 km.
You can take a subway from Heathrow Terminals 2 & 3 station to South Harrow station via Acton Town station in around 44 min.