The average train between Haverfordwest and Southampton takes 6h 38m and the fastest train takes 5h 40m. The train service runs several times per day from Haverfordwest to Southampton. 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 Haverfordwest and Southampton. The earliest departure is at 6:10 AM in the morning, and the last departure from Haverfordwest is at 9:50 PM which arrives into Southampton at 9:02 AM. All services require a transfer, and take on average 6h 38m. The schedules shown below are for the next available departures.

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5h 47m • 1 changeWant to know about travelling from Haverfordwest to Southampton? 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 Haverfordwest to Southampton. However, there are services departing from Haverfordwest station and arriving at Southampton Central station via Cardiff Central station. The journey, including transfers, takes approximately 6h 38m.
Haverfordwest to Southampton train services, operated by Transport for Wales, depart from Haverfordwest station.
Haverfordwest to Southampton train services, operated by Great Western Railway (GWR), arrive at Southampton Central station.
Book your Haverfordwest to Southampton train tickets online with Omio.
The distance between Haverfordwest and Southampton is 266.7 km. The road distance is 326 km.
You can take a train from Haverfordwest to Southampton Central via Cardiff Central in around 5h 55m.