The average train between London and Conwy Castle takes 3h 46m and the fastest train takes 3h 23m. There is a train service every few hours from London to Conwy Castle. 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 2 hours between London and Conwy Castle. The earliest departure is at 8:00 AM in the morning, and the last departure from London is at 8:02 PM which arrives into Conwy Castle at 11:56 PM. All services require a transfer at Chester and take an average of 3h 46m. The schedules shown below are for the next available departures.

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3h 46m • 1 change

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3h 48m • 1 change

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Want to know about travelling from London to Conwy Castle? 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 London to Conwy Castle. However, there are services departing from London station and arriving at Conwy Castle station via Chester. The journey, including transfers, takes approximately 3h 46m.
London to Conwy Castle train services, operated by Avanti West Coast, depart from London Euston station.
London to Conwy Castle train services, operated by Avanti West Coast, arrive at Conwy station.
Book your London to Conwy Castle train tickets online with Avanti West Coast and Transport for Wales.
The distance between London and Conwy Castle is 319 km. The road distance is 360 km.
You can take a train from London Euston to Conwy Castle via Chester and Conwy in around 3h 47m.