|Average train ticket price
|17 a day
|Great Western Rail
Trains from London to Merthyr Tydfil cover the 140 miles long journey taking on average 3 h 37 min with our travel partners like Great Western Rail. Normally, there are 17 trains operating per day. While the average ticket price for this route costs around £53, you can find the cheapest train ticket for as low as £37. Travellers depart most frequently from London St Pancras International and arrive in Merthyr Tydfil.
Passengers board the train most frequently from London St Pancras International, which is located around 2.2 miles (3.6 km) away from the city centre, and they get off the train at Merthyr Tydfil, located 0.2 miles (375 m) away from the city centre.
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