The average train between Barking and South Harrow takes 1h 21m and the fastest train takes 1h 18m. The train runs at least 5 times per hour from Barking to South 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 15 minutes between Barking and South Harrow. The earliest departure is at 6:23 AM in the morning, and the last departure from Barking is at 10:31 PM which arrives into South Harrow at 11:51 PM. All services require a transfer, and take on average 1h 21m. The schedules shown below are for the next available departures.

1h 20m • 1 change

1h 23m • 1 change

1h 23m • 1 change

1h 26m • 1 change
Want to know about travelling from Barking to South 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 Barking to South Harrow. However, there are services departing from Barking station and arriving at South Harrow station via South Kensington station station. The journey, including transfers, takes approximately 1h 21m.
Barking to South Harrow train services, operated by London Underground (Tube), depart from Barking station.
Barking to South Harrow train services, operated by London Underground (Tube), arrive at South Harrow station.
The distance between Barking and South Harrow is 30.4 km. The road distance is 38 km.
You can take a subway from Barking station to South Harrow station via South Kensington station in around 1h 23m.