- Must visit
Carmarthenshire Museum
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
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The cheapest and fastest trains from Slough to Carmarthen
Showing times, prices and bookable tickets for 11 Sept
Cheapest price on 11 Sept
£155
Average ticket price on 11 Sept
£164
Fastest journey on 11 Sept
3 h 53 m
Average journey duration on 11 Sept
4 h
Trains on 11 Sept
5
Distance
259 km
Cheap tickets
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 £164 if you buy it on the day, but you can find cheap train tickets today for only £155.
Fast trains
To travel from Slough to Carmarthen you need to make at least one change.
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17:413h58Slough21:39Carmarthen£1551One-way1 change.png)
6:394h01Slough10:40Carmarthen£1661One-way1 change- 9:264h04Slough13:30Carmarthen£1661One-way1 change
- 11:264h03Slough15:29Carmarthen£1661One-way1 change
- 13:283h53Slough17:21Carmarthen£1661One-way1 change
- 13:283h53Slough17:21Carmarthen£1661One-way1 change
- 17:413h58Slough21:39Carmarthen£1551One-way1 change
- 6:394h01Slough10:40Carmarthen£1661One-way1 change
- 11:264h03Slough15:29Carmarthen£1661One-way1 change
- 9:264h04Slough13:30Carmarthen£1661One-way1 change
Travel Information
Compare coach and train for Slough to Carmarthen
Omio recommends booking the train as it is the most popular option from Slough to Carmarthen among Omio's users. If you are prioritising price, take the train, with an average ticket price of £164 For those with little time, consider booking a train, which has an average total journey time of 4h 2m. Average ticket prices depend on the travel mode: a train costs an average of £164, while a train costs an average of £164.
Distance: 259 km
Compare train with
Most popular Train | Driving |
|---|---|
£164 Average Price Cheapest | £52 Average Price (fuel + tolls) |
4h 2m Average total duration Fastest 3h 32m Onboard + 30m Additional time* | 3h 12m Average total duration (door-to-door) |
 Most popular train company | Your own car or car rental |
Direct Options | Direct Options |
The cheapest way to travel from Slough to Carmarthen is a train with an average price of £164.
The fastest way to travel from Slough to Carmarthen is by train with an average journey time of 3h 32m.
Other travel options to Carmarthen take longer:
Coach takes on average 6h 58m.
It's helpful to compare your options as there are 2 ways to travel between Slough and Carmarthen including taking a coach and train.
Take the train. It's the cheaper option, and the extra time on board is usually more relaxing than driving it.
Tickets start at around £164 compared to roughly £52 in fuel and tolls — a saving of about £-112.34. The journey takes 3h 32m versus 3h 12m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
Live departures
Slough to Carmarthen train times
The table below shows live departures for Slough to Carmarthen trains for today, Thursday 10 September. You can also manually refresh the results below to see updated train journeys.
Last updated at
| 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 coach or train
Compare coach and 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.
Fri
11 Sept
11 Sept
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12 Sept
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13 Sept
13 Sept
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17 Sept
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Why should you book Slough to Carmarthen trains with Omio?
Great Western Railway as well as Elizabeth Line (TfL) or Great Western Railway (GWR) offer trains services from Slough to Carmarthen.
Omio is an official ticket reseller for all your travel options from Slough to Carmarthen.
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 bus and train 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 bus and train 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 £155 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.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 259 km |
Average train duration 3h 32m |
Cheapest ticket price £155 |
Trains per day 5 |
Fastest train 3h 41m |
First train 8:15 |
Last train 14:20 |
High Season Jan - Mar |
Low Season Jul - Sept |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
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 £155. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Great Western Railway Duration
4h 8m
Cheapest Great Western Railway Price
£56
Great Western Railway frequency
6 a day
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone
Elizabeth Line (TfL)
Luggage & cancellation policy
Average Elizabeth Line (TfL) Duration
3h 58m
Cheapest Elizabeth Line (TfL) Price
£155
Elizabeth Line (TfL) frequency
1 a day
Great Western Railway (GWR)
Luggage & cancellation policy
Average Great Western Railway (GWR) Duration
3h 41m
Cheapest Great Western Railway (GWR) Price
£166
Great Western Railway (GWR) frequency
4 a day
Complete guide to Carmarthen
Things to do in Carmarthen
Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.
- Recommended
Carmarthen Roman Amphitheatre Museum
Small museum on the old Roman amphitheatre site, introducing Roman Moridunum and the archaeology of early Carmarthen.
- Recommended
Dylan Thomas Boathouse and Writing Shed
Museum telling the story of Dylan Thomas and his family in a restored chapel, with exhibits on writing, broadcasting and local roots.
- Must visit
Carmarthen Park
Large public park with formal gardens, play areas, riverside walks and a hilltop monument, ideal for a relaxed break near the centre.
- Recommended
King Street
Historic market quarter with independent shops, old arcades and everyday town life, good for browsing and seeing central Carmarthen on foot.
- Recommended
Parc y Belyn
Riverside green space and woodland paths beside the Towy, popular for walking, wildlife watching and easy access from the town centre.
- Gluten-free
Cawl
Traditional Welsh broth made with lamb or beef, root vegetables and leeks. A staple of rural west Wales, valued for its hearty, slow-cooked flavour.
- Vegetarian
Bara Brith
A rich fruit loaf or tea bread with dried fruit and spices, commonly sliced and served with butter. Long associated with Welsh baking and teatime.
- Vegetarian
Welsh Cakes
Small oatcakes cooked on a bakestone, often split and toasted with butter or cheese. A traditional Welsh breakfast and teatime bread.
The Warren
Popular casual restaurant known for burgers, brunch and modern comfort food in a lively town-centre setting.
The Corries
Stylish restaurant and bar serving modern British dishes, cocktails and varied seasonal plates in an elegant atmosphere.
The Old Moathouse
Well-known traditional pub with classic Welsh and British meals, local ales and a relaxed historic setting.
Pound sterling (£)
Moderate for the UK. Hotels and dining are usually cheaper than in Cardiff or London, while local transport and everyday costs stay fairly manageable for visitors.
Average meal costs
- Budget
- £8-12 for a budget meal.
- Mid-range
- £18-30 per person for a mid-range meal.
- Fine dining
- £45+ per person for fine dining.
- Coffee
- £2.80-4 for a coffee.
Tipping culture
Tipping is modest. In restaurants, 10-12.5% is appreciated if service is not included. Round up taxi fares, and tipping in cafés is optional.
TrawsCymru
Get the appOfficial public transport app
Prices
- Single ticket
- £2.00
- Day pass
- £8.00
To the city centre
Carmarthen Railway Station, Carmarthen -> Carmarthen Bus Station, Carmarthen
- Distance
- 1 km
- Travel time
- 15 min
- Most local buses in Carmarthenshire have a standard adult single fare of £2.00. Check route-specific operator pages before longer trips.
- TrawsCymru says some buses accept contactless payment and tickets can also be bought in the TrawsCymru app. Keep cash as a backup on smaller local services.
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.
The cost of a train ticket from Slough to Carmarthen can vary. The cheapest tickets are usually available from £155, while the average price tends to be around £164.
The train journey from Slough to Carmarthen covers a distance of 259 km and takes approximately 3h 41m. Trains run 5 per day.
The train distance from Slough to Carmarthen is 259 km.
The first train from Slough to Carmarthen leaves at 8:15.
The last train from Slough to Carmarthen departs at 14:20.
Trains from Slough to Carmarthen run approximately 5 times per day.
Currently, there is no high-speed train service from Slough to Carmarthen.
Unfortunately, there is no direct train service currently available from Slough to Carmarthen.
To get from Slough to Carmarthen, you can choose from several travel options including coach and train.
There is no night train service from Slough to Carmarthen.
The train station in Slough that goes to Carmarthen is Slough station (SLO), and it arrives at Carmarthen station (CMN).
The cheapest way to get from Slough to Carmarthen is by train, costing approximately £155.
Booking trains from Slough to Carmarthen in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Slough to Carmarthen offers a scenic experience, taking passengers through picturesque landscapes, including rolling hills, charming countryside, and glimpses of the Welsh coast.
A day trip from Slough to Carmarthen is not feasible as the journey duration is 3h 41m. Trains operate 2 times per day over a distance of 259 km.
Spending two to three days in Carmarthen allows visitors to explore its historic sites, enjoy local markets, and take in the surrounding natural beauty, such as the Brecon Beacons and coastal areas.
Yes, you can take the train from Slough to Carmarthen.
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.
Departure train stations in Slough
Arrival train stations in Carmarthen
Which Slough station do trains to Carmarthen leave from?
Trains from Slough to Carmarthen leave from Slough. The station is from Slough city centre at Brunel Way, Slough SL1 1XW, United Kingdom.
SloughBrunel Way, Slough SL1 1XW, United Kingdom+44 345 165 2030
City-centre transport
Getting to Slough from Slough city centre
Bus103 · 8m · £4 · every ~3 min
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?
Trains from Slough to Carmarthen arrive at Carmarthen. Carmarthen is from Carmarthen city centre.
CarmarthenCarmarthen station, Station Road, Carmarthen, Carmarthenshire, SA31 2BE+44 3450507080
City-centre transport
Getting to Carmarthen from Carmarthen city centre
BusT1x, T1, T1a · 3m · £0.90 · every ~4 min
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
Most popular train connections to Carmarthen
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