The cheapest and fastest trains from Maidenhead station (MAI) to Carmarthen station (CMN)
Cheapest price
£140
Average price
£156
Fastest journey
3 h 51 m
Average duration
4 h 17 m
Trains per day
4
Distance
250 km
The best way to find a cheap train ticket from Maidenhead station (MAI) to Carmarthen station (CMN) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Maidenhead station (MAI) to Carmarthen station (CMN) will cost around £156 if you buy it on the day, but you can find cheap train tickets today for only £140.
To travel from Maidenhead station (MAI) to Carmarthen station (CMN) you need to make at least one change.








Live departures
Maidenhead station (MAI) to Carmarthen station (CMN) train times
The table below shows live departures for Maidenhead station (MAI) to Carmarthen station (CMN) trains for today, Saturday 20 December. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 10:31 Maidenhead station (MAI) | 3h53 | 14:24 Carmarthen station (CMN) | 1 change | |
![]() | 12:30 Maidenhead station (MAI) | 3h54 | 16:24 Carmarthen station (CMN) | 1 change | |
![]() | 14:30 Maidenhead station (MAI) | 4h00 | 18:30 Carmarthen station (CMN) | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Maidenhead station (MAI) to Carmarthen station (CMN) by train
Compare train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
21 Dec
22 Dec
23 Dec
24 Dec
25 Dec
26 Dec
27 Dec
Journey information
Overview: Train from Maidenhead station (MAI) to Carmarthen station (CMN)
Trains from Maidenhead station (MAI) to Carmarthen station (CMN) run on average 7 times per day, taking around 3h 31m. Cheap train tickets for this journey start at £66 if you book in advance.
The earliest train runs at 03:09, the last at 09:34. The fastest train covers the 250 km distance in 3h 58m.
Distance 250 km |
Average train duration 3h 31m |
Cheapest ticket price £66 |
Trains per day 7 |
Fastest train 3h 58m |
First train 03:09 |
Last train 09:34 |
Train companies: Great Western Rail, Elizabeth Line, first_great_western from Maidenhead station (MAI) to Carmarthen station (CMN) trainsGreat Western Rail, Elizabeth Line, first_great_western trains will get you between Maidenhead station (MAI) and Carmarthen station (CMN) from £66. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
Elizabeth Line
first_great_western
FAQs: Maidenhead station (MAI) to Carmarthen station (CMN) train
Find answers to the most common questions about traveling from Maidenhead station (MAI) to Carmarthen station (CMN) by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Carmarthen station (CMN), this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in Maidenhead station (MAI) and Carmarthen station (CMN)
- Opening hours: Monday - Friday 06:00 - 21:00 Saturday 06:45 - 21:00 Sunday 07:00 - 21:00 Please note: Reservations and tickets requiring reservations are only sold between 10:00 and 17:00
- Type of shops available: WHSmith
- Car Park: Station Car Park
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Step-free category B1 station - this station has a degree of step-free access to the platforms. Platforms 2 to 5 are accessed via the lifts from the subway. Platform 1 is only step free accessible via the Shoppenhangers Road Car Park.
- Accessible car park equipment: Wheelchair users may require assistance using car park equipment at this station
- Accessible public telephones: Yes
- Accessible taxis: Accessible taxis are available. Please request staff assistance.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: Yes
- Toilets Location: Platform 4
- National key toilets: Yes
- National key toilets location: The radar key is available from station staff.
- Baby changing facilities: Yes
- Baby changing facilities location: Accessible WC on platform 4
- Waiting rooms location: Platform 4
- Storage sheltered: Yes
- Storage location: Shoppenhangers Lane, front of Station and side of station
- Storage CCTV: Yes
- Location for Rail Replacement Services: Station forecourt
- Opening hours: Monday - Friday 06:45 - 18:00
- Type of shops available: News agent
- Car Park: Station Car Park
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Category B1. Step free access is available to Platform 1. Platform 2 can be accessed via the ramp at the end of Platform 1 and across a foot crossing.
- Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
- Toilets Location: The toilets are located on Platform 1. The National key toilets are located on Platform 1; these toilets are operated by a radar key.
- National key toilets: Yes
- Baby changing facilities: No
- Storage sheltered: No
- Storage location: On Platform 1
- Storage CCTV: Yes
- Location for Rail Replacement Services: Wait at the bus stop opposite the station entrance
