The cheapest and fastest trains from Brighton to Carmarthen
Cheapest price
£233
Average price
£233
Fastest journey
5 h 7 m
Average duration
5 h 17 m
Trains per day
5
Distance
311 km
The best way to find a cheap train ticket from Brighton to Carmarthen is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Brighton to Carmarthen will cost around £233 if you buy it on the day, but you can find cheap train tickets today for only £233.
To travel from Brighton to Carmarthen you need to make at least 2 changes.










Live departures
Brighton to Carmarthen train times
The table below shows live departures for Brighton to Carmarthen trains for tomorrow, Thursday 26 February. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 05:06 Brighton | 5h34 | 10:40 Carmarthen | 2 changes | |
![]() | 08:09 Brighton | 5h19 | 13:28 Carmarthen | 2 changes | |
![]() | 10:14 Brighton | 5h14 | 15:28 Carmarthen | 2 changes | |
![]() | 12:14 Brighton | 5h07 | 17:21 Carmarthen | 2 changes | |
![]() | 14:44 Brighton | 5h10 | 19:54 Carmarthen | 2 changes |
Find all the dates and times for this journey
Compare prices and tickets Brighton to Carmarthen 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.
26 Feb
27 Feb
28 Feb
01 Mar
02 Mar
03 Mar
04 Mar
Why should you book Brighton to Carmarthen trains with Omio?
Why book with Omio vs Great Western Rail?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Rail, but also compare tickets for the likes of Thameslink to find the best option for your trip from Brighton 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.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Thameslink to find the best option for your trip from Brighton to Carmarthen.
Journey information
Overview: Train from Brighton to Carmarthen
Trains from Brighton to Carmarthen run on average 5 times per day, taking around 5h 28m. Cheap train tickets for this journey start at £233 if you book in advance.
The earliest train runs at 03:35, the last at 19:39. The fastest train covers the 311 km distance in 5h 7m.
Distance 311 km |
Average train duration 5h 28m |
Cheapest ticket price £233 |
Trains per day 5 |
Fastest train 5h 7m |
First train 03:35 |
Last train 19:39 |
Train companies: Great Western Rail, Thameslink from Brighton to Carmarthen trainsGreat Western Rail, Thameslink trains will get you between Brighton and Carmarthen from £233. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
Thameslink
FAQs: Brighton to Carmarthen train
Find answers to the most common questions about traveling from Brighton 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 Brighton and Carmarthen
- 6:00 AM - 10:00 PM Monday - Sunday
- Free
- The car park is open 24/7. Access via Stroudley Road.
- The Grand Central
- The Cyclist
- Outside the main entrance.
- Elevators, ramps, restrooms.
- £0.50
- Jurys Inn Brighton
- Ibis Brighton City Centre
- My Brighton Hotel
- Located in the main concourse
- Enterprise
- Europcar
- Located in the main concourse
- Free
- Hall 1: main entrance, platform 1-8 for trains to London, Gatwick, and the south coast
- Hall 2: ticket office and waiting area
- Bus: Several lines available
- Train: Southern and Thameslink services
- 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
Most popular train connections from Brighton
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