The average bus between Swansea and Slough takes 5h 7m and the fastest bus takes 4h 27m. 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 10:30 PM which arrives into Slough at 3:25 AM. All services require a transfer, and take on average 5h 7m. The schedules shown below are for the next available departures.

4h 59m • 1 change
5h 29m • 1 change
5h 15m • 1 change
5h 18m • 1 change
4h 29m • 1 change
4h 56m • 1 change
4h 41m • 1 change
4h 28m • 1 change
4h 29m • 1 change
4h 55m • 1 change
4h 40m • 1 change
4h 56m • 1 change
4h 28m • 1 change
4h 58m • 1 change
4h 48m • 1 change
5h 13m • 1 change
4h 28m • 1 change
4h 58m • 1 change
4h 48m • 1 change
5h 13m • 1 changeWant 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 7m.
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 £28–50 and the journey takes 4h 25m.