The average bus between Carmarthen and Aberystwyth takes 4h and the fastest bus takes 3h 10m. There is a bus service every few hours from Carmarthen to Aberystwyth. 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 Carmarthen and Aberystwyth. The earliest departure is at 5:56 AM in the morning, and the last departure from Carmarthen is at 8:06 PM which arrives into Aberystwyth at 8:21 AM. All services require a transfer, and take on average 4h. The schedules shown below are for the next available departures.

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3h 15m • 1 changeWant to know about travelling from Carmarthen to Aberystwyth? 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 Carmarthen to Aberystwyth. However, there are services departing from Carmarthen station and arriving at Aberystwyth station via The Black Lion. The journey, including transfers, takes approximately 4h.
Carmarthen to Aberystwyth bus services, operated by First South & West Wales, depart from St Peters Church station.
Carmarthen to Aberystwyth bus services, operated by First South & West Wales, arrive at Park Avenue station.
Book your Carmarthen to Aberystwyth bus tickets online with First South & West Wales.
The distance between Carmarthen and Aberystwyth is 64.1 km. The road distance is 86 km.
You can take a bus from St Peters Church to Park Avenue via The Black Lion in around 2h 20m.