The average train between Llandudno and Portsmouth Harbour takes 6h 38m and the fastest train takes 6h. The train service runs several times per day from Llandudno to Portsmouth Harbour. 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 3 hours between Llandudno and Portsmouth Harbour. The earliest departure is at 7:34 AM in the morning, and the last departure from Llandudno is at 10:04 PM which arrives into Portsmouth Harbour at 10:48 AM. All services require a transfer at Chester and take an average of 6h 38m. The schedules shown below are for the next available departures.



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6h 14m • 3 changes



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6h 2m • 3 changes



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6h 14m • 3 changes



6h 2m • 3 changes



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6h 2m • 3 changes
Want to know about travelling from Llandudno to Portsmouth Harbour? 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 Llandudno to Portsmouth Harbour. However, there are services departing from Llandudno station and arriving at Portsmouth Harbour station via Chester. The journey, including transfers, takes approximately 6h 38m.
Llandudno to Portsmouth Harbour train services, operated by Transport for Wales, depart from Llandudno station.
Llandudno to Portsmouth Harbour train services, operated by Transport for Wales, arrive at Portsmouth Harbour station.
Book your Llandudno to Portsmouth Harbour train tickets online with Transport for Wales, Avanti West Coast and 2 other operators.
The distance between Llandudno and Portsmouth Harbour is 337.1 km. The road distance is 486 km.
You can take a train from Llandudno to Portsmouth Harbour via Chester, London Euston, Euston station, Waterloo Station, London Waterloo, and Portsmouth Harbour in around 6h 4m.