The average bus between London Heathrow Airport (LHR) and Llangennech takes 9h 18m and the fastest bus takes 6h 13m. The bus service runs several times per day from London Heathrow Airport (LHR) to Llangennech. 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 3 times a day between London Heathrow Airport (LHR) and Llangennech. The earliest departure is at 12:30 AM at night, and the last departure from London Heathrow Airport (LHR) is at 4:20 PM which arrives into Llangennech at 7:33 AM. All services require a transfer at Swansea Bus Station Stand B and take an average of 9h 18m. The schedules shown below are for the next available departures.


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Want to know about travelling from London Heathrow Airport (LHR) to Llangennech? 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 London Heathrow Airport (LHR) to Llangennech. However, there are services departing from London Heathrow Airport (LHR) station and arriving at Llangennech station via Swansea Bus Station Stand B station. The journey, including transfers, takes approximately 9h 18m.
London Heathrow Airport (LHR) to Llangennech bus services, operated by National Express, depart from Heathrow Central Bus Station.
London Heathrow Airport (LHR) to Llangennech bus services, operated by National Express, arrive at Pontardulais Bus Station Stand 1.
The distance between London Heathrow Airport (LHR) and Llangennech is 252.1 km. The road distance is 331 km.
You can take a bus from Heathrow Central Bus Station to Co-op via Swansea Bus Station Stand B, Swansea Bus Station Stand S, and Pontardulais Bus Station Stand 1 in around 6h 33m.