1. Take the Heathrow Express train to Paddington Station. Trains depart every 15 minutes, and the journey takes 15 minutes.
2. At Paddington Station, transfer to the Great Western Railway (GWR) train to Swansea. Trains depart every hour, and the journey takes 3 hours and 4 minutes.
By coach:
1. Take the National Express coach from Heathrow Airport to Swansea Bus Station. Coaches depart every 2 hours, and the journey takes 4 hours and 45 minutes.
By car:
1. Take the M4 motorway from Heathrow Airport to Swansea. The journey takes approximately 3 hours and 45 minutes.