The average train between Harrow and Heathrow takes 57 min and the fastest train takes 48 min. The train runs at least 4 times per hour from Harrow to Heathrow. 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 Harrow and Heathrow. The earliest departure is at 12:05 AM at night, and the last departure from Harrow is at 11:44 PM which arrives into Heathrow at 12:35 AM. All services require a transfer, and take on average 57 min. The schedules shown below are for the next available departures.

4h 31m • 1 change
52 min • 1 change
59 min • 1 change
58 min • 1 change
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4h 31m • 1 change
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51 min • 1 change
4h 31m • 1 change
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51 min • 1 change
4h 31m • 1 change
52 min • 1 change
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1h 3m • 1 change
56 min • 1 change
52 min • 1 change
1h 1m • 1 change
1h 1m • 1 change
56 min • 1 change
57 min • 1 changeWant to know about travelling from Harrow to Heathrow? 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 Harrow to Heathrow. However, there are services departing from South Harrow station and arriving at Heathrow Terminals 1-2-3 station via Acton Town station. The journey, including transfers, takes approximately 57 min.
Harrow to Heathrow train services, operated by London Underground (Tube), depart from South Harrow station.
Harrow to Heathrow train services, operated by London Underground (Tube), arrive at Heathrow Terminals 1-2-3 station.
The distance between Harrow and Heathrow is 15 km. The road distance is 19 km.
You can take a subway from South Harrow station to Heathrow Terminals 1-2-3 station via Acton Town station in around 51 min.