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Isleworth to Cardiff trains

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Trip Overview

The average train between Isleworth and Cardiff takes 3h 24m and the fastest train takes 2h 49m. There is an hourly train service from Isleworth 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 24m
Duration
141 mi
Distance
£69
Average price
Hourly
Frequency

Train

best
  1. Take the train from Feltham to Readingtrain train London Waterloo - Reading
  2. Take the train from Reading to Cardiff Centraltrain train London Paddington - Swansea / ...
3h 18m
£56–110

Isleworth to Cardiff train times

Trains run hourly between Isleworth and Cardiff. The earliest departure is at 5:57 AM in the morning, and the last departure from Isleworth is at 11:57 PM which arrives into Cardiff at 8:36 AM. All services require a transfer at Feltham and take an average of 3h 24m. The schedules shown below are for the next available departures.

Departing Friday, November 6, 2026

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    Arrives next day

    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)8h 39m • 2 changes

Departing Saturday, November 7, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 9m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 13m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 13m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 12m • 2 changes
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Departing Sunday, November 8, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 4m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 10m • 2 changes
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Departing Monday, November 9, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 9m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 15m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 10m • 2 changes
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Departing Tuesday, November 10, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 9m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 15m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 10m • 2 changes
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Departing Wednesday, November 11, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 9m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 15m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 10m • 2 changes
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Departing Thursday, November 12, 2026

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 11m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 9m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 15m • 2 changes

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    South Western RailwaySouth Western RailwayGreat Western Railway (GWR)3h 10m • 2 changes
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Frequently asked questions

Want to know about travelling from Isleworth 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 Isleworth to Cardiff.ExpandLaunch map view
  • Distance: 140.8 mi
  • Duration: 3h 24m

What companies run services between Isleworth, England and Cardiff, Wales?

You can take a train from Isleworth to Cardiff Central via Feltham and Reading in around 3h 18m.

Operators