The average train between Portsmouth and Hertford takes 3h 26m and the fastest train takes 2h 36m. There is a train service every few hours from Portsmouth to Hertford. 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 and Hertford. The earliest departure is at 4:31 AM at night, and the last departure from Portsmouth is at 11:22 PM which arrives into Hertford at 6:57 AM. All services require a transfer at London Waterloo Station and take an average of 3h 26m. The schedules shown below are for the next available departures.


2h 54m • 2 changes

2h 54m • 2 changes

2h 52m • 2 changes

2h 51m • 2 changes

3h 26m • 2 changes

2h 44m • 2 changes

2h 41m • 2 changes

2h 36m • 2 changes

3h 26m • 2 changes

2h 44m • 2 changes

2h 41m • 2 changes

2h 36m • 2 changes

3h 26m • 2 changes

2h 44m • 2 changes

2h 41m • 2 changes

2h 36m • 2 changes

3h 26m • 2 changes

2h 44m • 2 changes

2h 41m • 2 changes

2h 36m • 2 changesWant to know about travelling from Portsmouth to Hertford? 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 to Hertford. However, there are services departing from Portsmouth & Southsea station and arriving at Hertford East station via London Waterloo station. The journey, including transfers, takes approximately 3h 26m.
Portsmouth to Hertford train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Hertford train services, operated by Greater Anglia, arrive at Hertford East station.
Book your Portsmouth to Hertford train tickets online with Omio.
The distance between Portsmouth and Hertford is 131.3 km. The road distance is 160 km.
You can take a train from Portsmouth & Southsea to Hertford East via London Waterloo Station, Waterloo station, Bank station, and London Liverpool Street in around 3h 1m.