The average train between Welwyn Garden City and Portsmouth takes 2h 47m and the fastest train takes 2h 19m. The train runs at least 2 times per hour from Welwyn Garden City to Portsmouth. 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 every 30 minutes between Welwyn Garden City and Portsmouth. The earliest departure is at 5:17 AM in the morning, and the last departure from Welwyn Garden City is at 11:52 PM which arrives into Portsmouth at 7:15 AM. All services require a transfer at London Kings Cross and take an average of 2h 47m. The schedules shown below are for the next available departures.


2h 50m • 2 changes


2h 36m • 2 changes


2h 51m • 2 changes


2h 39m • 2 changes


2h 50m • 2 changes


2h 38m • 2 changes


2h 25m • 2 changes


2h 23m • 2 changes


2h 50m • 2 changes


2h 38m • 2 changes


2h 25m • 2 changes


2h 23m • 2 changes
Want to know about travelling from Welwyn Garden City to Portsmouth? 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 Welwyn Garden City to Portsmouth. However, there are services departing from Welwyn Garden City station and arriving at Portsmouth station via King's Cross. The journey, including transfers, takes approximately 2h 47m.
Welwyn Garden City to Portsmouth train services, operated by Great Northern, depart from Welwyn Garden City station.
Welwyn Garden City to Portsmouth train services, operated by Great Northern, arrive at Portsmouth & Southsea station.
Book your Welwyn Garden City to Portsmouth train tickets online with Great Northern, London Underground (Tube) and South Western Railway.
The distance between Welwyn Garden City and Portsmouth is 127.3 km. The road distance is 155 km.
You can take a train from Welwyn Garden City to Portsmouth & Southsea via London Kings Cross, Euston station, Waterloo Station, and London Waterloo in around 2h 39m.