The average train between Heathrow and Erith takes 1h 17m and the fastest train takes 1h 10m. The train runs at least 2 times per hour from Heathrow to Erith. 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 30 minutes between Heathrow and Erith. 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 Erith at 12:36 AM. All services require a transfer, and take on average 1h 17m. The schedules shown below are for the next available departures.

1h 14m • 1 change

1h 14m • 1 change

1h 25m • 1 change

1h 16m • 1 change
Want to know about travelling from Heathrow to Erith? 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 Erith. However, there are services departing from Heathrow station and arriving at Erith station via Woolwich Dockyard. The journey, including transfers, takes approximately 1h 17m.
Heathrow to Erith train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
Heathrow to Erith train services, operated by Elizabeth Line (TfL), arrive at Erith station.
Book your Heathrow to Erith train tickets online with Elizabeth Line (TfL) and Southeastern.
The distance between Heathrow and Erith is 43.5 km. The road distance is 79 km.
You can take a train from Heathrow Terminals 2 & 3 to Erith via Woolwich Dockyard in around 2h 14m.