Carmarthen to Windsor Castle Trains

Carmarthen to Windsor Castle trains

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Trip Overview

The average train between Carmarthen and Windsor Castle takes 4h 38m and the fastest train takes 3h 59m. There is a train service every few hours 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 38m

Duration

207 mi

Distance

£109

Average price

Hourly

Frequency

Carmarthen to Windsor Castle train times

Trains run hourly between Carmarthen and Windsor Castle. The earliest departure is at 4:37 AM at night, and the last departure from Carmarthen is at 10:41 PM which arrives into Windsor Castle at 7:36 AM. All services require a transfer at Reading and take an average of 4h 38m. The schedules shown below are for the next available departures.

Departing Monday, October 12, 2026

5:32 AM → 10:16 AM
4h 44m • 3 changes
6:52 AM → 11:16 AM
4h 24m • 3 changes
7:23 AM → 11:36 AM
4h 13m • 3 changes
8:30 AM → 12:36 PM
4h 6m • 3 changes
Show more

Departing Tuesday, October 13, 2026

4:37 AM → 8:36 AM
3h 59m • 3 changes
5:32 AM → 10:16 AM
4h 44m • 3 changes
6:52 AM → 11:16 AM
4h 24m • 3 changes
7:23 AM → 11:36 AM
4h 13m • 3 changes
Show more

Departing Wednesday, October 14, 2026

4:37 AM → 8:36 AM
3h 59m • 3 changes
5:32 AM → 10:16 AM
4h 44m • 3 changes
6:52 AM → 11:16 AM
4h 24m • 3 changes
7:23 AM → 11:36 AM
4h 13m • 3 changes
Show more

Phone: +44 (0)345 7000 125
Email: [email protected]
Website: Great Western Railway (GWR)

Train from Carmarthen to Reading

Ave. Duration: 3h 24m
Frequency: Every 4 hours
Estimated price: £75–140
Website: Great Western Railway (GWR)

Train from Carmarthen to Swansea

Ave. Duration: 46 min
Frequency: Every 4 hours
Estimated price: £13–24
Website: Great Western Railway (GWR)

Train from Swansea to Reading

Ave. Duration: 2h 23m
Frequency: Hourly
Estimated price: £65–120
Website: Great Western Railway (GWR)

Train Exterior

IRJ

Ticket office

Pentagram

Standard class

Pentagram

External view

Wikimedia Commons

1st Class Seat

GWR

1st Class Seat

GWR

Carmarthen to Windsor Castle trains

Trip Overview

Train