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4.9
4.6The cheapest and fastest trains from Slough to Carmarthen
Cheapest price
£172
Average price
£182
Fastest journey
3 h 53 m
Average duration
4 h
Trains per day
5
Distance
259 km
The best way to find a cheap train ticket from Slough to Carmarthen is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Slough to Carmarthen will cost around £182 if you buy it on the day, but you can find cheap train tickets today for only £172.
To travel from Slough to Carmarthen you need to make at least one change.
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17:413h58Slough21:39Carmarthen£1721One-way1 change.png)
6:394h01Slough10:40Carmarthen£1841One-way1 change- 9:264h04Slough13:30Carmarthen£1841One-way1 change
- 11:264h03Slough15:29Carmarthen£1841One-way1 change
- 13:283h53Slough17:21Carmarthen£1841One-way1 change
- 13:283h53Slough17:21Carmarthen£1841One-way1 change
- 17:413h58Slough21:39Carmarthen£1721One-way1 change
- 6:394h01Slough10:40Carmarthen£1841One-way1 change
- 11:264h03Slough15:29Carmarthen£1841One-way1 change
- 9:264h04Slough13:30Carmarthen£1841One-way1 change
Live departures
Slough to Carmarthen train times
The table below shows live departures for Slough to Carmarthen trains for today, Monday 27 July. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| 6:39 Slough | 4h01 | 10:40 Carmarthen | 1 change | |
| 9:26 Slough | 4h04 | 13:30 Carmarthen | 1 change | |
| 11:26 Slough | 4h03 | 15:29 Carmarthen | 1 change | |
| 13:28 Slough | 3h53 | 17:21 Carmarthen | 1 change | |
| 17:41 Slough | 3h58 | 21:39 Carmarthen | 1 change |
Find all the dates and times for this journey
Compare prices and tickets Slough to Carmarthen by train or coach
Compare train and coach 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.
28 Jul
29 Jul
30 Jul
31 Jul
01 Aug
02 Aug
03 Aug
Why should you book Slough to Carmarthen trains with Omio?
Why book with Omio vs Great Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Railway, but also compare tickets for the likes of Elizabeth Line (TfL) or Great Western Railway (GWR) to find the best option for your trip from Slough to Carmarthen.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are train and bus to ensure you get the best deal for traveling from Slough to Carmarthen.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Slough to Carmarthen.
Journey information
Overview: Train from Slough to Carmarthen
United KingdomUnited Kingdom
Trains from Slough to Carmarthen run on average 5 times per day, taking around 3h 32m. Cheap train tickets for this journey start at £172 if you book in advance.
The earliest train runs at 08:15, the last at 14:20. The fastest train covers the 259 km distance in 3h 41m.
Distance 259 km |
Average train duration 3h 32m |
Cheapest ticket price £172 |
Trains per day 5 |
Fastest train 3h 41m |
First train 8:15 |
Last train 14:20 |
Cheapest Month Jul |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Jul - Sept |
Train companies: Great Western Railway, Elizabeth Line (TfL), Great Western Railway (GWR) from Slough to Carmarthen trainsGreat Western Railway, Elizabeth Line (TfL), Great Western Railway (GWR) trains will get you between Slough and Carmarthen from £172. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Elizabeth Line (TfL)
Great Western Railway (GWR)
FAQs: Slough to Carmarthen train
Find answers to the most common questions about traveling from Slough to Carmarthen 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, this guide helps you travel smarter and with confidence.
popular train stations
Important Stations and Airports in Slough and Carmarthen
Most Slough to Carmarthen trains use the Slough to Carmarthen station pair. Use this guide to compare Slough and Carmarthen train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Which Slough station do trains to Carmarthen leave from?
Getting to Slough from Slough city centre
Slough train station facilities and services
Slough has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental, Information Desk and Luggage Carts.
Food and drink
Food options include: The Moon and Spoon, The Red Lion
Wi-Fi and ATMs
Free. ATMs are available in the train station.
Tickets and information
Ticket office support is available at Slough. Information desks are located in the main hall.
Luggage and lost property
Luggage storage is available at Slough. Lost and found is available at the station.
Parking, taxis and toilets
Available at Slough: Parking, Taxis, WC.
Bike and car services
Available at Slough: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Slough: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Holiday Inn Slough - Windsor, Moxy Slough, Travelodge Slough.
Which Carmarthen station do trains from Slough arrive at?
Getting to Carmarthen from Carmarthen city centre
Carmarthen train station facilities and services
Carmarthen has practical services for this route, including Shopping, Parking, Dining, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking and Bike Rental.
Food and drink
Food and drink options are available at Carmarthen.
Tickets and information
Ticket office support is available at Carmarthen.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Carmarthen: Parking, WC.
Bike and car services
Available at Carmarthen: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Carmarthen: 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.
More options for your journey from Slough to Carmarthen
Here are some other resources that might have the information you need
Most popular trains to and from Carmarthen and Slough
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