The average train between King's Cross Station and Swansea takes 3h 15m and the fastest train takes 2h 57m. There is a train service every few hours from King's Cross Station 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 King's Cross Station and Swansea. The earliest departure is at 6:30 AM in the morning, and the last departure from King's Cross Station is at 10:35 PM which arrives into Swansea at 2:01 AM. All services require a transfer at King's Cross St. Pancras station and take an average of 3h 15m. The schedules shown below are for the next available departures.

3h • 1 change

2h 58m • 1 change

3h 3m • 1 change

3h • 1 change

3h • 1 change

3h • 1 change

3h 3m • 1 change

3h 4m • 1 change

3h 7m • 1 change

3h 1m • 1 change

2h 59m • 1 change

2h 58m • 1 change
Want to know about travelling from King's Cross Station 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 King's Cross Station to Swansea. However, there are services departing from King's Cross Station station and arriving at Swansea station via Swansea. The journey, including transfers, takes approximately 3h 15m.
King's Cross Station to Swansea train services, operated by London Underground (Tube), depart from London Paddington station.
King's Cross Station to Swansea train services, operated by London Underground (Tube), arrive at Swansea station.
Book your King's Cross Station to Swansea train tickets online with London Underground (Tube) and Great Western Railway (GWR).
The distance between King's Cross Station and Swansea is 264.1 km. The road distance is 310 km.
Great Western Railway (GWR) operates a train from London Paddington to Swansea hourly. Tickets cost £85–160 and the journey takes 2h 52m.