The average train between Portsmouth Harbour and Northampton takes 3h 32m and the fastest train takes 3h 7m. There is an hourly train service from Portsmouth Harbour to Northampton. 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 Portsmouth Harbour and Northampton. The earliest departure is at 4:30 AM at night, and the last departure from Portsmouth Harbour is at 10:33 PM which arrives into Northampton at 6:58 AM. All services require a transfer at London Waterloo and take an average of 3h 32m. The schedules shown below are for the next available departures.


3h 9m • 2 changes


3h 21m • 2 changes


3h 9m • 2 changes


3h 21m • 2 changes


3h 54m • 2 changes


3h 31m • 2 changes


3h 14m • 2 changes


3h 14m • 2 changes


3h 11m • 2 changes


3h 22m • 2 changes


3h 9m • 2 changes


3h 9m • 2 changes
Want to know about travelling from Portsmouth Harbour to Northampton? 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 Portsmouth Harbour to Northampton. However, there are services departing from Portsmouth Harbour station and arriving at Northampton station via London Waterloo. The journey, including transfers, takes approximately 3h 32m.
Portsmouth Harbour to Northampton train services, operated by South Western Railway, depart from Portsmouth Harbour station.
Portsmouth Harbour to Northampton train services, operated by South Western Railway, arrive at Northampton station.
Book your Portsmouth Harbour to Northampton train tickets online with South Western Railway, London Underground (Tube) and West Midlands Trains.
The distance between Portsmouth Harbour and Northampton is 162.3 km. The road distance is 228 km.
You can take a vehicle from Portsmouth Harbour to Northampton via Portsmouth Harbour, London Waterloo Station, Waterloo station, Euston station, and London Euston in around 3h 2m.