The average bus between Swansea and Slough takes 5h 4m and the fastest bus takes 4h 19m. There is a bus service every few hours from Swansea to Slough. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Swansea and Slough. The earliest departure is at 12:25 AM at night, and the last departure from Swansea is at 10:20 PM which arrives into Slough at 3:25 AM. All services require a transfer, and take on average 5h 4m. The schedules shown below are for the next available departures.

5h 19m • 1 change

4h 48m • 1 change

4h 56m • 1 change

5h 54m • 1 change

4h 28m • 1 change

5h 18m • 1 change

4h 53m • 1 change

5h 28m • 1 change

4h 28m • 1 change

5h 18m • 1 change

4h 53m • 1 change

5h 28m • 1 change

4h 28m • 1 change

5h 18m • 1 change

4h 53m • 1 change

5h 28m • 1 change
Want to know about travelling from Swansea to Slough? 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 bus from Swansea to Slough. However, there are services departing from Swansea station and arriving at Slough station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 4m.
Swansea to Slough bus services, operated by National Express, depart from Swansea Bus Station Stand B.
Swansea to Slough bus services, operated by National Express, arrive at Heathrow Central Bus Station.
Book your Swansea to Slough bus tickets online with National Express and First Berkshire & The Thames Valley.
The distance between Swansea and Slough is 231.7 km. The road distance is 300 km.
National Express operates a bus from Swansea Bus Station Stand B to Heathrow Central Bus Station hourly. Tickets cost £30–85 and the journey takes 4h 10m.