The average train between Grantham and Swansea takes 4h 56m and the fastest train takes 4h 13m. There is a train service every few hours from Grantham 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 Grantham and Swansea. The earliest departure is at 5:47 AM in the morning, and the last departure from Grantham is at 10:59 PM which arrives into Swansea at 9:02 AM. All services require a transfer at London Kings Cross and take an average of 4h 56m. The schedules shown below are for the next available departures.


4h 46m • 2 changes


4h 20m • 2 changes


4h 45m • 2 changes


4h 26m • 2 changes


4h 41m • 2 changes


4h 26m • 2 changes


4h 27m • 2 changes


4h 52m • 2 changes


4h 41m • 2 changes


4h 26m • 2 changes


4h 27m • 2 changes


4h 52m • 2 changes
Want to know about travelling from Grantham 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 Grantham to Swansea. However, there are services departing from Grantham station and arriving at Swansea station via King's Cross. The journey, including transfers, takes approximately 4h 56m.
Grantham to Swansea train services, operated by London North Eastern Railway Limited (LNER), depart from Grantham station.
Grantham to Swansea train services, operated by London North Eastern Railway Limited (LNER), arrive at Swansea station.
Book your Grantham to Swansea train tickets online with London North Eastern Railway Limited (LNER), London Underground (Tube) and 2 other operators.
The distance between Grantham and Swansea is 266.6 km. The road distance is 479 km.
You can take a train from Grantham to Swansea via London Kings Cross, King's Cross St. Pancras station, Paddington, and London Paddington in around 4h 46m.