The average bus between Llanelli and Caernarfon Castle takes 10h 42m and the fastest bus takes 8h 7m. The bus service runs several times per day from Llanelli to Caernarfon Castle. 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 Llanelli and Caernarfon Castle. The earliest departure is at 6:44 AM in the morning, and the last departure from Llanelli is at 6:39 PM which arrives into Caernarfon Castle at 12:55 PM. All services require a transfer at Carmarthen Bus Station Stand 1 and take an average of 10h 42m. The schedules shown below are for the next available departures.
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17h 7m • 3 changes
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8h 17m • 3 changes



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8h 19m • 3 changes



8h 11m • 3 changes



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8h 19m • 3 changes
Want to know about travelling from Llanelli to Caernarfon Castle? 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 Llanelli to Caernarfon Castle. However, there are services departing from Llanelli station and arriving at Caernarfon Castle station via The Black Lion. The journey, including transfers, takes approximately 10h 42m.
Llanelli to Caernarfon Castle bus services, operated by First South & West Wales, depart from Carmarthen Bus Station Stand 1.
Llanelli to Caernarfon Castle bus services, operated by First South & West Wales, arrive at Caernarfon Bus Station Stand A.
The distance between Llanelli and Caernarfon Castle is 162.2 km. The road distance is 251 km.
You can take a bus from West End to Caernarfon Castle via Carmarthen Bus Station Stand 1, The Black Lion, Aberystwyth Bus Station Stand 4, and Caernarfon Bus Station Stand A in around 8h 13m.