The average train between Heathrow and Mill Hill takes 1h 13m and the fastest train takes 1h 6m. The train runs at least 3 times per hour from Heathrow to Mill 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 20 minutes between Heathrow and Mill Hill. The earliest departure is at 5:21 AM in the morning, and the last departure from Heathrow is at 11:06 PM which arrives into Mill Hill at 12:38 AM. All services require a transfer at Farringdon Without and take an average of 1h 13m. The schedules shown below are for the next available departures.

1h 10m • 1 change

1h 17m • 1 change

1h 8m • 1 change

1h 8m • 1 change
Want to know about travelling from Heathrow to Mill 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 to Mill Hill. However, there are services departing from Heathrow station and arriving at Mill Hill station via Farringdon Without. The journey, including transfers, takes approximately 1h 13m.
Heathrow to Mill Hill train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
Heathrow to Mill Hill train services, operated by Elizabeth Line (TfL), arrive at Mill Hill Broadway station.
Book your Heathrow to Mill Hill train tickets online with Elizabeth Line (TfL) and Thameslink.
The distance between Heathrow and Mill Hill is 21.6 km. The road distance is 49 km.
You can take a train from Heathrow Terminals 2 & 3 to Mill Hill Broadway via Farringdon Without and Farringdon in around 1h 12m.