Rome2Rio

St Margarets to Cardiff trains

Find Transport to Cardiff

View schedule

Trip Overview

The average train between St Margarets and Cardiff takes 3h 6m and the fastest train takes 2h 30m. There is an hourly train service from St Margarets to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 6m
Duration
141 mi
Distance
£69
Average price
Hourly
Frequency

Train

best
  1. Take the train from Twickenham to Readingtrain train London Waterloo - Reading
  2. Take the train from Reading to Cardiff Centraltrain train London Paddington - Swansea / ...
2h 56m
£57–109

St Margarets to Cardiff train times

Trains run hourly between St Margarets and Cardiff. The earliest departure is at 12:03 AM at night, and the last departure from St Margarets is at 10:10 PM which arrives into Cardiff at 1:08 AM. All services require a transfer, and take on average 3h 6m. The schedules shown below are for the next available departures.

Departing Wednesday, October 28, 2026

  •  → 

    Arrives next day

    South Western RailwayGreat Western Railway (GWR)2h 57m • 1 change

Departing Thursday, October 29, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)7h 56m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 51m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 57m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 56m • 1 change
  • Show more

Departing Friday, October 30, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)7h 56m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 51m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 57m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 56m • 1 change
  • Show more

Departing Saturday, October 31, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 48m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 55m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 59m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 59m • 1 change
  • Show more

Departing Sunday, November 1, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)9h 48m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 54m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 30m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 31m • 1 change
  • Show more

Departing Monday, November 2, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)8h 3m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 51m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 57m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 56m • 1 change
  • Show more

Departing Tuesday, November 3, 2026

  •  → 

    South Western RailwayGreat Western Railway (GWR)7h 56m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 51m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 57m • 1 change

  •  → 

    South Western RailwayGreat Western Railway (GWR)2h 56m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from St Margarets to Cardiff? 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 St Margarets to Cardiff.ExpandLaunch map view
  • Distance: 140.6 mi
  • Duration: 3h 6m

What companies run services between St Margarets, Greater London, England and Cardiff, Wales?

You can take a train from Twickenham to Cardiff Central via Reading in around 2h 56m.

Operators