The average train between Portsmouth and Dax takes 10h 11m and the fastest train takes 8h 42m. The train service runs several times per day from Portsmouth to Dax. 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 4 hours between Portsmouth and Dax. The earliest departure is at 5:37 AM in the morning, and the last departure from Portsmouth is at 10:38 PM which arrives into Dax at 3:36 PM. All services require a transfer at London Waterloo Station and take an average of 10h 11m. The schedules shown below are for the next available departures.




9h 45m • 4 changes




10h 14m • 4 changes




9h 54m • 4 changes




10h 15m • 4 changes




9h 45m • 4 changes




10h 14m • 4 changes




9h 54m • 4 changes




10h 15m • 4 changes




9h 45m • 4 changes




10h 14m • 4 changes




9h 54m • 4 changes




10h 15m • 4 changes




9h 45m • 4 changes




10h 14m • 4 changes




10h 11m • 4 changes




10h 15m • 4 changes




9h 59m • 4 changes




10h 11m • 4 changes




10h 15m • 4 changes
Arrives next day




16h 38m • 4 changes
Want to know about travelling from Portsmouth to Dax? 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 Dax. However, there are services departing from Portsmouth station and arriving at Dax station via London Waterloo. The journey, including transfers, takes approximately 10h 11m.
Portsmouth to Dax train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Dax train services, operated by South Western Railway, arrive at Dax station.
Book your Portsmouth to Dax train tickets online with South Western Railway, London Underground (Tube) and 4 other operators.
The distance between Portsmouth and Dax is 788.2 km. The road distance is 1,262 km.
You can take a train from Portsmouth & Southsea to Dax via London Waterloo Station, Waterloo station, Euston station, London St Pancras Intl, Paris Nord, Gare du Nord, Montparnasse Bienvenue, and Paris Montparnasse 1 Et 2 in around 9h 10m.