Travel Information
Compare coach and train for Southampton to Carmarthen
Omio recommends booking the train as it is the most popular option from Southampton to Carmarthen among Omio's users. If you are prioritising price take the coach with prices starting from £35. For those with little time consider booking a train which can get you there in 4h 24m. The ticket price range depends on the travel mode: a coach costs an average of £35, and a train costs an average of £72.
Distance: 227 km
Compare train with
Most popular Train | Coach |
|---|---|
£81 Average Price | £41 Average Price Cheapest |
4h 54m Average total duration Fastest 4h 24m Onboard + 30m Additional time* | 8h 35m Average total duration 8h 5m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
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FAQs: Southampton to Carmarthen
Travel to Carmarthen easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Southampton to Carmarthen.

This is compared to other travel options from Southampton to Carmarthen:
A coach is £40 less than a train for this route with tickets for a train from Southampton to Carmarthen costing on average £81.
Other travel options to Carmarthen take longer:
Coach takes on average 8h 5m.
- Around 7 trains per day.
- Around 2 coaches per day.
However, we recommend checking specific travel dates for your route between Southampton and Carmarthen as scheduled services by coach and train can vary by season or day of the week.
- Ferries mostly depart from Port of Cherbourg and arrive in Rosslare Harbour.
- Trains mostly depart from Southampton Central (SOU) and arrive in Carmarthen station (CMN).
- Coaches mostly depart from Southampton, Coach Station and arrive in Carmarthen, Lammas Street (Rose and Crown Hotel).
- Travel with National Express to go to Carmarthen by coach.
- Travel with Great Western Railway, Cross Country, Great Western Railway (GWR) to go to Carmarthen by train.
Travelling from Southampton to Carmarthen: related information
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