The average train between Northampton and Harrow takes 1h 18m and the fastest train takes 49 min. There is an hourly train service from Northampton 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 hourly between Northampton and Harrow. The earliest departure is at 12:12 AM at night, and the last departure from Northampton is at 10:51 PM which arrives into Harrow at 12:30 AM. All services require a transfer, and take on average 1h 18m. The schedules shown below are for the next available departures.

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Want to know about travelling from Northampton 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 Northampton to Harrow. However, there are services departing from Northampton station and arriving at Harrow station via Watford Junction. The journey, including transfers, takes approximately 1h 18m.
Northampton to Harrow train services, operated by West Midlands Trains, depart from Northampton station.
Northampton to Harrow train services, operated by West Midlands Trains, arrive at Watford Junction station.
Book your Northampton to Harrow train tickets online with West Midlands Trains, Southern and 2 other operators.
The distance between Northampton and Harrow is 83.3 km. The road distance is 87 km.
West Midlands Trains operates a train from Northampton to Watford Junction hourly. Tickets cost £17–45 and the journey takes 46 min. Avanti West Coast also services this route 6 times a week.