The average train between Kings Cross and Portsmouth takes 1h 55m and the fastest train takes 1h 40m. The train runs at least 2 times per hour from Kings Cross 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 Kings Cross and Portsmouth. The earliest departure is at 12:28 AM at night, and the last departure from Kings Cross is at 11:19 PM which arrives into Portsmouth at 1:20 AM. All services require a transfer at Waterloo Station and take an average of 1h 55m. The schedules shown below are for the next available departures.
Want to know about travelling from Kings Cross 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 Kings Cross to Portsmouth. However, there are services departing from Kings Cross station and arriving at Portsmouth station via Portsmouth & Southsea. The journey, including transfers, takes approximately 1h 55m.
Kings Cross to Portsmouth train services, operated by London Underground (Tube), depart from London Waterloo station.
Kings Cross to Portsmouth train services, operated by London Underground (Tube), arrive at Portsmouth & Southsea station.
Book your Kings Cross to Portsmouth train tickets online with London Underground (Tube) and South Western Railway.
The distance between Kings Cross and Portsmouth is 105.6 km. The road distance is 121 km.
South Western Railway operates a train from London Waterloo to Portsmouth & Southsea every 20 minutes. Tickets cost £30–70 and the journey takes 1h 28m.