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Swansea to Porthmadog buses

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Trip Overview

The average bus between Swansea and Porthmadog takes 6h 48m and the fastest bus takes 4h 55m. The bus runs, on average, 5 times per week from Swansea 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 48m
Duration
135 mi
Distance
5 times a week
Frequency

Swansea to Porthmadog bus times

Buses run 5 times a week between Swansea and Porthmadog. The earliest departure is at 5:35 PM in the evening, and the last departure from Swansea is at 6:15 PM which arrives into Porthmadog at 11:10 PM. All services require a transfer at Rose and Crown and take an average of 6h 48m. The schedules shown below are for the next available departures.

Departing Saturday, October 24, 2026

  •  → 

    Arrives next day

    National ExpressTaithCymru13h 42m • 1 change

Departing Sunday, October 25, 2026

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    National ExpressTaithCymru5h 35m • 1 change

Departing Monday, October 26, 2026

  •  → 

    National ExpressTaithCymru4h 55m • 1 change

Departing Tuesday, October 27, 2026

  •  → 

    National ExpressTaithCymru4h 55m • 1 change

Departing Wednesday, October 28, 2026

  •  → 

    National ExpressTaithCymru4h 55m • 1 change

Frequently asked questions

Want to know about travelling from Swansea 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.

Map of how to get from Swansea to Porthmadog.ExpandLaunch map view
  • Distance: 135.4 mi
  • Duration: 6h 48m

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

You can take a bus from Swansea Bus Station Stand B to Porthmadog Park Stand B via Rose and Crown and Carmarthen station in around 5h 54m.

Operators