The average train between Guildford and Swansea takes 3h 29m and the fastest train takes 3h 2m. There is a train service every few hours from Guildford to Swansea. 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 hourly between Guildford and Swansea. The earliest departure is at 12:05 AM at night, and the last departure from Guildford is at 10:43 PM which arrives into Swansea at 2:11 AM. All services require a transfer, and take on average 3h 29m. The schedules shown below are for the next available departures.

3h 41m • 1 change

3h 16m • 1 change

3h 14m • 1 change

3h 2m • 1 change

8h 57m • 1 change

3h 30m • 1 change

3h 41m • 1 change

3h 16m • 1 change

8h 57m • 1 change

3h 30m • 1 change

3h 41m • 1 change

3h 16m • 1 change
Want to know about travelling from Guildford to Swansea? 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 Guildford to Swansea. However, there are services departing from Guildford station and arriving at Swansea station via Reading. The journey, including transfers, takes approximately 3h 29m.
Guildford to Swansea train services, operated by Great Western Railway (GWR), depart from Guildford station.
Guildford to Swansea train services, operated by Great Western Railway (GWR), arrive at Swansea station.
Book your Guildford to Swansea train tickets online with Great Western Railway (GWR).
The distance between Guildford and Swansea is 237.4 km. The road distance is 290 km.
You can take a train from Guildford to Swansea via Reading in around 3h 48m.