The average bus between Cardiff and Margam takes 1h 34m and the fastest bus takes 1h 6m. The bus service runs several times per day from Cardiff to Margam. 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 every 4 hours between Cardiff and Margam. The earliest departure is at 3:40 AM at night, and the last departure from Cardiff is at 5:25 PM which arrives into Margam at 6:31 PM. All services require a transfer, and take on average 1h 34m. The schedules shown below are for the next available departures.

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1h 24m • 1 changeWant to know about travelling from Cardiff to Margam? 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 Cardiff to Margam. However, there are services departing from Sophia Gardens station and arriving at Port Talbot Bus Station 9 via Port Talbot Bus Station 9. The journey, including transfers, takes approximately 1h 34m.
Cardiff to Margam bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Margam bus services, operated by National Express, arrive at Port Talbot Bus Station 9.
The distance between Cardiff and Margam is 41.7 km. The road distance is 50 km.
National Express operates a bus from Sophia Gardens to Port Talbot Bus Station 9 hourly. Tickets cost £5–9 and the journey takes 55 min.