The average train between Portsmouth and Helensburgh takes 8h 52m and the fastest train takes 7h 53m. There is a train service every few hours from Portsmouth to Helensburgh. 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 Helensburgh. The earliest departure is at 5:17 AM in the morning, and the last departure from Portsmouth is at 10:37 PM which arrives into Helensburgh at 11:45 AM. All services require a transfer at London Waterloo Station and take an average of 8h 52m. The schedules shown below are for the next available departures.




7h 57m • 4 changes




7h 59m • 4 changes




7h 57m • 4 changes




7h 54m • 4 changes




7h 57m • 4 changes




7h 59m • 4 changes




7h 57m • 4 changes




7h 54m • 4 changes




7h 57m • 4 changes




7h 59m • 4 changes




7h 57m • 4 changes




7h 54m • 4 changes




7h 57m • 4 changes




7h 59m • 4 changes




7h 57m • 4 changes




7h 54m • 4 changes
Want to know about travelling from Portsmouth to Helensburgh? 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 Helensburgh. However, there are services departing from Portsmouth station and arriving at Helensburgh station via London Waterloo. The journey, including transfers, takes approximately 8h 52m.
Portsmouth to Helensburgh train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Helensburgh train services, operated by South Western Railway, arrive at Glasgow Central station.
Book your Portsmouth to Helensburgh train tickets online with South Western Railway, London Underground (Tube) and 3 other operators.
The distance between Portsmouth and Helensburgh is 626.9 km. The road distance is 797 km.
You can take a train from Portsmouth & Southsea to Helensburgh Central via London Waterloo Station, Waterloo station, Euston station, London Euston, Glasgow Central, Glasgow Central Low Level, and Hyndland in around 7h 59m.