Cardiff to Porthmadog Trains

Cardiff to Porthmadog trains

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Trip Overview

The average train between Cardiff and Porthmadog takes 6h 35m and the fastest train takes 5h 16m. The train service runs several times per day from Cardiff to Porthmadog. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

6h 35m
Duration: 210 mi
Distance: £84
Average price: Every 4 hours
Frequency

Train

best

Take the train from Cardiff Central to Shrewsburytrain
Take the train from Shrewsbury to Machynllethtrain
Take the train from Machynlleth to Porthmadogtrain

7h 11m

£71–116

Cardiff to Porthmadog train times

Trains run every 4 hours between Cardiff and Porthmadog. The earliest departure is at 4:33 AM at night, and the last departure from Cardiff is at 7:38 PM which arrives into Porthmadog at 8:48 AM. All services require a transfer at Shrewsbury and take an average of 6h 35m. The schedules shown below are for the next available departures.

Departing Thursday, October 15, 2026

4:33 AM → 10:49 AM
6h 16m • 2 changes
7:19 AM → 12:50 PM
5h 31m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Departing Friday, October 16, 2026

4:33 AM → 10:49 AM
6h 16m • 2 changes
7:19 AM → 12:50 PM
5h 31m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Departing Saturday, October 17, 2026

4:35 AM → 10:49 AM
6h 14m • 2 changes
7:22 AM → 12:50 PM
5h 28m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Departing Sunday, October 18, 2026

8:42 AM → 2:54 PM
6h 12m • 2 changes
10:44 AM → 4:45 PM
6h 1m • 2 changes
12:40 PM → 6:54 PM
6h 14m • 2 changes
3:22 PM → 8:43 PM
5h 21m • 2 changes
Show more

Departing Monday, October 19, 2026

4:33 AM → 10:49 AM
6h 16m • 2 changes
7:19 AM → 12:50 PM
5h 31m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Departing Tuesday, October 20, 2026

4:33 AM → 10:49 AM
6h 16m • 2 changes
7:19 AM → 12:50 PM
5h 31m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Departing Wednesday, October 21, 2026

4:33 AM → 10:49 AM
6h 16m • 2 changes
7:19 AM → 12:50 PM
5h 31m • 2 changes
9:23 AM → 2:54 PM
5h 31m • 2 changes
11:23 AM → 4:51 PM
5h 28m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Porthmadog? 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.

Cardiff to Porthmadog trains

Find Transport to Porthmadog

Trip Overview

Train

Cardiff to Porthmadog train times

Departing Thursday, October 15, 2026

4:33 AM → 10:49 AM

7:19 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Departing Friday, October 16, 2026

4:33 AM → 10:49 AM

7:19 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Departing Saturday, October 17, 2026

4:35 AM → 10:49 AM

7:22 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Departing Sunday, October 18, 2026

8:42 AM → 2:54 PM

10:44 AM → 4:45 PM

12:40 PM → 6:54 PM

3:22 PM → 8:43 PM

Departing Monday, October 19, 2026

4:33 AM → 10:49 AM

7:19 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Departing Tuesday, October 20, 2026

4:33 AM → 10:49 AM

7:19 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Departing Wednesday, October 21, 2026

4:33 AM → 10:49 AM

7:19 AM → 12:50 PM

9:23 AM → 2:54 PM

11:23 AM → 4:51 PM

Frequently asked questions

What companies run services between Cardiff, Wales and Porthmadog, Wales?

Train from Cardiff Central to Shrewsbury

Train from Shrewsbury to Machynlleth

Train from Machynlleth to Porthmadog

Train from Cardiff Central to Bangor (Gwynedd)

Train from Caernarfon to Porthmadog Harbour

Train trips from Cardiff

Train trips to Porthmadog

Alternative transport options