Rome2Rio

Carmarthen to Windsor Castle trains

Find Transport to Windsor Castle

View schedule
QR code to download the Rome2Rio app

Download the Rome2Rio travel app

Scan QR code with your phone to download the app

Download on the App StoreGet it on Google Play

Trip Overview

The average train between Carmarthen and Windsor Castle takes 4h 23m and the fastest train takes 4h 1m. The train service runs several times per day from Carmarthen to Windsor Castle. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 23m
Duration
206 mi
Distance
£106
Average price
Every 4 hours
Frequency

Carmarthen to Windsor Castle train times

Trains run every 4 hours between Carmarthen and Windsor Castle. The earliest departure is at 6:13 AM in the morning, and the last departure from Carmarthen is at 7:20 PM which arrives into Windsor Castle at 11:21 PM. All services require a transfer at Reading and take an average of 4h 23m. The schedules shown below are for the next available departures.

Departing Tuesday, November 10, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 16m • 2 changes

Departing Wednesday, November 11, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 23m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 13m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 15m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 9m • 2 changes
  • Show more

Departing Thursday, November 12, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 13m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 15m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 9m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 16m • 2 changes
  • Show more

Departing Friday, November 13, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 13m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 15m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 9m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 16m • 2 changes
  • Show more

Departing Saturday, November 14, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 12m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 6m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 6m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 6m • 2 changes
  • Show more

Departing Sunday, November 15, 2026

  •  → 

    Great Western Railway (GWR)Great Western Railway (GWR)Great Western Railway (GWR)4h 20m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 30m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 4m • 2 changes
  •  → 

    Great Western Railway (GWR)Great Western Railway (GWR)Great Western Railway (GWR)4h 1m • 2 changes

Departing Monday, November 16, 2026

  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 13m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 15m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 9m • 2 changes
  •  → 

    Great Western Railway (GWR)Elizabeth Line (TfL)Great Western Railway (GWR)4h 16m • 2 changes
  • Show more

Frequently asked questions

Want to know about travelling from Carmarthen to Windsor Castle? 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 Carmarthen to Windsor Castle.ExpandLaunch map view
  • Distance: 205.8 mi
  • Duration: 4h 23m

What companies run services between Carmarthen, Wales and Windsor Castle, Windsor and Maidenhead, England?

Great Western Railway (GWR) operates a train from Carmarthen to Reading every 4 hours. Tickets cost £75–140 and the journey takes 3h 18m.

Operators