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Llandaff to Merthyr Tydfil trains

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Trip Overview

The average train between Llandaff and Merthyr Tydfil takes 2h 36m and the fastest train takes 1h 12m. There is a train service every few hours from Llandaff to Merthyr Tydfil. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 36m
Duration
21 mi
Distance
£9
Average price
Hourly
Frequency

Train via Pontypridd

best
  1. Take the train from Waun-gron Park to Pontypriddtrain train Merthyr Tydfil - Aberdare / ...
  2. Take the train from Pontypridd to Merthyr Tydfiltrain train Aberdare - Merthyr Tydfil / ...
1h 17m
£6–12

Llandaff to Merthyr Tydfil train times

Trains run hourly between Llandaff and Merthyr Tydfil. The earliest departure is at 12:21 AM at night, and the last departure from Llandaff is at 10:50 PM which arrives into Merthyr Tydfil at 6:33 AM. All services require a transfer, and take on average 2h 36m. The schedules shown below are for the next available departures.

Departing Thursday, October 22, 2026

  •  → 

    Transport for WalesTransport for Wales1h 12m • 1 change

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    Transport for WalesTransport for Wales2h 42m • 1 change

Departing Friday, October 23, 2026

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    Transport for WalesTransport for Wales1h 12m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

Departing Saturday, October 24, 2026

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    Transport for WalesTransport for Wales6h 12m • 1 change

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    Transport for WalesTransport for Wales1h 12m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change
  • Show more

Departing Sunday, October 25, 2026

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    Transport for WalesTransport for Wales1h 38m • 1 change

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    Transport for WalesTransport for Wales1h 37m • 1 change

  •  → 

    Transport for WalesTransport for Wales1h 37m • 1 change

  •  → 

    Transport for WalesTransport for Wales1h 37m • 1 change
  • Show more

Departing Monday, October 26, 2026

  •  → 

    Transport for WalesTransport for Wales1h 12m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change
  • Show more

Departing Tuesday, October 27, 2026

  •  → 

    Transport for WalesTransport for Wales1h 12m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Llandaff to Merthyr Tydfil? 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.

Map of how to get from Llandaff to Merthyr Tydfil.ExpandLaunch map view
  • Distance: 21.1 mi
  • Duration: 2h 36m

What companies run services between Llandaff, Wales and Merthyr Tydfil, Wales?

You can take a train from Waun-gron Park to Merthyr Tydfil via Pontypridd in around 1h 17m.

Operators