The average train between Swansea and Harrow takes 3h 33m and the fastest train takes 3h 12m. There is a train service every few hours from Swansea to Harrow. 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 Swansea and Harrow. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Harrow at 12:08 AM. All services require a transfer at London Paddington and take an average of 3h 33m. The schedules shown below are for the next available departures.


3h 20m • 2 changes

3h 24m • 2 changes

3h 45m • 2 changes

3h 46m • 2 changes

3h 52m • 2 changes

3h 39m • 2 changes

3h 39m • 2 changes

3h 12m • 2 changes

3h 52m • 2 changes

3h 39m • 2 changes

3h 39m • 2 changes

3h 12m • 2 changes

3h 52m • 2 changes

3h 39m • 2 changes

3h 39m • 2 changes

3h 12m • 2 changes

3h 52m • 2 changes

3h 39m • 2 changes

3h 39m • 2 changes

3h 12m • 2 changes

3h 13m • 2 changes

3h 15m • 2 changes

3h 16m • 2 changes

3h 16m • 2 changes

3h 33m • 2 changes

3h 45m • 2 changes

3h 46m • 2 changes

3h 45m • 2 changesWant to know about travelling from Swansea to Harrow? 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 Harrow. However, there are services departing from Swansea station and arriving at London Paddington station via London Paddington station. The journey, including transfers, takes approximately 3h 33m.
Swansea to Harrow train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Harrow train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
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The distance between Swansea and Harrow is 249.1 km. The road distance is 288 km.
Great Western Railway (GWR) operates a train from Swansea to London Paddington hourly. Tickets cost £80–150 and the journey takes 2h 50m.