The average train between Grenoble and Portsmouth takes 10h 14m and the fastest train takes 7h 57m. The train service runs several times per day from Grenoble 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 3 times a day between Grenoble and Portsmouth. The earliest departure is at 5:46 AM in the morning, and the last departure from Grenoble is at 8:47 PM which arrives into Portsmouth at 10:43 AM. All services require a transfer at Paris Gare de Lyon and take an average of 10h 14m. The schedules shown below are for the next available departures.




6h 57m • 4 changes




6h 57m • 4 changes




8h 18m • 4 changes




7h 58m • 4 changes




6h 57m • 4 changes




8h 18m • 4 changes




7h 58m • 4 changes
Arrives next day




8h 7m • 4 changes




6h 57m • 4 changes




8h 18m • 4 changes




7h 58m • 4 changes
Arrives next day




8h 7m • 4 changes
Want to know about travelling from Grenoble 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 Grenoble to Portsmouth. However, there are services departing from Grenoble station and arriving at Portsmouth station via Paris Gare De Lyon. The journey, including transfers, takes approximately 10h 14m.
Grenoble to Portsmouth train services, operated by TGV inOui, depart from Grenoble station.
Grenoble to Portsmouth train services, operated by TGV inOui, arrive at Portsmouth & Southsea station.
Book your Grenoble to Portsmouth train tickets online with TGV inOui, Société Nationale des Chemins de fer Français (SNCF) and 3 other operators.
The distance between Grenoble and Portsmouth is 803.7 km. The road distance is 1,130 km.
You can take a train from Grenoble to Portsmouth & Southsea via Paris Gare de Lyon, Paris Nord, London St Pancras Intl, Euston station, Waterloo Station, and London Waterloo in around 8h 5m.