The average bus between Portsmouth and Northampton takes 4h 45m and the fastest bus takes 4h 2m. The bus service runs several times per day from Portsmouth 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.
Buses run every 4 hours between Portsmouth and Northampton. The earliest departure is at 5:35 AM in the morning, and the last departure from Portsmouth is at 8:10 PM which arrives into Northampton at 12:46 AM. All services require a transfer at London Heathrow Airport and take an average of 4h 45m. The schedules shown below are for the next available departures.


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4h 2m • 2 changesWant to know about travelling from Portsmouth 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 bus from Portsmouth to Northampton. However, there are services departing from The Hard Interchange station and arriving at Northampton station via Heathrow Central Bus Station. The journey, including transfers, takes approximately 4h 45m.
Portsmouth to Northampton bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Northampton bus services, operated by FlixBus, arrive at Northampton station.
Book your Portsmouth to Northampton bus tickets online with Omio.
The distance between Portsmouth and Northampton is 162 km. The road distance is 198 km.
You can take a bus from The Hard Interchange to Northampton Bus Interchange via London Heathrow Airport and Lake in around 4h 38m.