The cheapest and fastest trains from Guildford to Carmarthen
Cheapest price
£174
Average price
£174
Fastest journey
4 h 2 m
Average duration
4 h 17 m
Trains per day
5
Distance
267 km
The best way to find a cheap train ticket from Guildford to Carmarthen is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Guildford to Carmarthen will cost around £174 if you buy it on the day, but you can find cheap train tickets today for only £174.
To travel from Guildford to Carmarthen you need to make at least one change.
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Travel Information
Compare train and coach for Guildford to Carmarthen
Omio recommends booking the train as it is the most popular option from Guildford to Carmarthen among Omio's users. If you are prioritising price take the coach with prices starting from £29. For those with little time consider booking a train which can get you there in 3h 52m. The ticket price range depends on the travel mode: a coach costs an average of £29, and a train costs an average of £78.
Distance: 267 km
Compare train with
Most popular Train | Coach |
|---|---|
£78 Average Price | £29 Average Price Cheapest |
4h 22m Average total duration Fastest 3h 52m Onboard + 30m Additional time* | 9h 25m Average total duration 8h 55m Onboard + 30m Additional time* |
Direct Options | Direct Options |
Live departures
Guildford to Carmarthen train times
The table below shows live departures for Guildford to Carmarthen trains for today, Thursday 5 March. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 17:15 Guildford | 4h24 | 21:39 Carmarthen | 1 change | |
| Friday 6 March | |||||
![]() | 06:03 Guildford | 4h37 | 10:40 Carmarthen | 1 change | |
![]() | 09:19 Guildford | 4h11 | 13:30 Carmarthen | 1 change | |
![]() | 11:19 Guildford | 4h10 | 15:29 Carmarthen | 1 change | |
![]() | 13:19 Guildford | 4h02 | 17:21 Carmarthen | 1 change | |
Find all the dates and times for this journey
Compare prices and tickets Guildford 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.
06 Mar
07 Mar
08 Mar
09 Mar
10 Mar
11 Mar
12 Mar
Why should you book Guildford 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 first_great_western to find the best option for your trip from Guildford 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 Rail with all available travel options, which are train and bus to ensure you get the best deal for traveling from Guildford 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 Guildford to Carmarthen.
Journey information
Overview: Train from Guildford to Carmarthen
Trains from Guildford to Carmarthen run on average 6 times per day, taking around 3h 52m. Cheap train tickets for this journey start at £78 but you can travel from only £29 by coach.
The earliest train runs at 06:04, the last at 16:17. The fastest train covers the 267 km distance in 5h 10m.
Distance 267 km |
Average train duration 3h 52m |
Cheapest ticket price £78 |
Trains per day 6 |
Fastest train 5h 10m |
First train 06:04 |
Last train 16:17 |
Train companies: Great Western Rail, first_great_western from Guildford to Carmarthen trainsGreat Western Rail, first_great_western trains will get you between Guildford and Carmarthen from £29. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
first_great_western
FAQs: Guildford to Carmarthen train
Find answers to the most common questions about traveling from Guildford 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 Guildford and Carmarthen
- Opening hours: Monday - Friday 06:10 - 22:00 Saturday 06:10 - 22:00 Sunday 06:20 - 22:00
- Car Park: Smart Car Spaces
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: There is level access to the booking hall and all platforms from the main entrance in Walnut Tree Close. There is no step free access from the Guildford Park Road entrance. There is step free access to and interchange between all platforms via steep ramps. A staff operated powered wheelchair is available for customers. Please speak to a member of staff or our Assisted Travel team.
- Accessible taxis: The taxi rank is located outside the main station entrance (platform 2)
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details
- 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 2, next to the subway ramp. The National key toilets are located on Platform 2; these toilets are operated by a radar key. A radar key is available from station staff upon request. A 'National Key Scheme' key [RADAR] can be purchased by contacting the following. Address: 12 City Forum, 250 City Road, London, EC1V 8AF. Tel: 020 7250 3222. Minicom: 020 7250 4119. Fax: 020 7250 0212. Email: [email protected]
- National key toilets: Yes
- Baby changing facilities: Yes
- Waiting rooms location: yes
- Storage sheltered: Yes
- Storage location: Car parks 1 & 2
- Storage CCTV: Yes
- Location for Rail Replacement Services: Bus lay-by in Station Forecourt off Walnut Tree Close.
- 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
More options for your journey from Guildford to Carmarthen
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