The average train between Swansea and Thurso takes 23h 31m and the fastest train takes 18h 23m. The train service runs several times per day from Swansea to Thurso. 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 twice daily between Swansea and Thurso. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 2:54 PM which arrives into Thurso at 5:49 PM. All services require a transfer at Cardiff Central and take an average of 23h 31m. The schedules shown below are for the next available departures.




18h 33m • 4 changesArrives next day




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26h 55m • 4 changes



18h 33m • 4 changesArrives next day




24h 4m • 4 changesArrives next day




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18h 33m • 4 changesArrives next day




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26h 55m • 4 changesWant to know about travelling from Swansea to Thurso? 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 Swansea to Thurso. However, there are services departing from Swansea station and arriving at Thurso station via Cardiff Central. The journey, including transfers, takes approximately 23h 31m.
Swansea to Thurso train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Thurso train services, operated by Great Western Railway (GWR), arrive at Thurso station.
Book your Swansea to Thurso train tickets online with Great Western Railway (GWR), Transport for Wales and 3 other operators.
The distance between Swansea and Thurso is 775.9 km. The road distance is 1,218 km.
You can take a train from Swansea to Thurso via Cardiff Central, Crewe, Haymarket, and Inverness in around 18h 5m.