The average train between Harrow and Holyhead takes 4h 20m and the fastest train takes 4h 10m. The train service runs several times per day from Harrow to Holyhead. 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 5 times a day between Harrow and Holyhead. The earliest departure is at 7:24 AM in the morning, and the last departure from Harrow is at 7:39 PM which arrives into Holyhead at 11:53 PM. All services require a transfer, and take on average 4h 20m. The schedules shown below are for the next available departures.

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Want to know about travelling from Harrow to Holyhead? 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 Harrow to Holyhead. However, there are services departing from Harrow station and arriving at Holyhead station via Holyhead. The journey, including transfers, takes approximately 4h 20m.
Harrow to Holyhead train services, operated by West Midlands Trains, depart from London Euston station.
Harrow to Holyhead train services, operated by West Midlands Trains, arrive at Holyhead station.
Book your Harrow to Holyhead train tickets online with West Midlands Trains, Avanti West Coast and London Overground.
The distance between Harrow and Holyhead is 348.8 km. The road distance is 440 km.
Avanti West Coast operates a train from London Euston to Holyhead 5 times a day. Tickets cost £90–160 and the journey takes 3h 52m.