The average train between Portsmouth and Harrow takes 2h 35m and the fastest train takes 2h 10m. The train runs at least 2 times per hour from Portsmouth to Harrow. 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 Portsmouth and Harrow. The earliest departure is at 4:35 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into Harrow at 6:11 AM. All services require a transfer at London Waterloo Station and take an average of 2h 35m. The schedules shown below are for the next available departures.
Want to know about travelling from Portsmouth to Harrow? 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 Harrow. However, there are services departing from Portsmouth station and arriving at Harrow station via London Waterloo. The journey, including transfers, takes approximately 2h 35m.
Portsmouth to Harrow train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Harrow train services, operated by South Western Railway, arrive at London Waterloo station.
Book your Portsmouth to Harrow train tickets online with South Western Railway and London Underground (Tube).
The distance between Portsmouth and Harrow is 101.6 km. The road distance is 138 km.
South Western Railway operates a train from Portsmouth & Southsea to London Waterloo every 30 minutes. Tickets cost £29–70 and the journey takes 1h 31m.