4.9
4.6
Travel Information
Compare train and bus for Carmarthen to Cardiff
Omio recommends booking the train as it is the most popular option from Carmarthen to Cardiff among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $17 For those with little time, consider booking a train, which has an average total journey time of 2h 22m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.0 - 0.1kg. Average ticket prices depend on the travel mode: a bus costs an average of $17, while a train costs an average of $27.
Distance: 54 miles (88 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$27 Average price | $17 Average price Cheapest | $24 Average price (fuel + tolls) |
2h 22m Average total duration Fastest 1h 52m Onboard + 30m Additional time* | 2h 45m Average total duration 2h 15m Onboard + 30m Additional time* | 1h 21m Average total duration (door-to-door) |
0.0 - 0.1kg CO2 emissions Lowest | 0.1 - 0.2kg CO2 emissions | - CO2 emissions |
 Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Compare ways to travel from Carmarthen to Cardiff
Compare the available ways to get from Carmarthen to Cardiff, with the key details around price, speed, convenience, and direct service.
This is compared to other travel options from Carmarthen to Cardiff:
A bus is $11 (€9) less than a train for this route with tickets for a train from Carmarthen to Cardiff costing on average $27 (€23).
Other travel options to Cardiff take longer:
Bus takes on average 2h 45m.
Tickets start at around $27 (€23) compared to roughly $24 (€21) in fuel and tolls — a saving of about -$2 (-€2). The journey takes 1h 52m versus 1h 21m 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.
Travel optionsfrom Carmarthen to Cardiff
How to get from Carmarthen to Cardiff by train, bus or flight.
Our recommendation
The best way to travel from Carmarthen to Cardiff is by taking a bus because it’s the best combination of price and speed.
- NX112
9:50 AM 2h25 Carmarthen, Lammas Street (Rose and Crown Hotel) 12:15 PM Cardiff, Sophia Gardens $13 1 One-way 0 transfers
Cheapest
- NX112
9:50 AM 2h25 Carmarthen, Lammas Street (Rose and Crown Hotel) 12:15 PM Cardiff, Sophia Gardens $13 1 One-way 0 transfers
Fastest
- G39206+
W3518812:30 PM 1h44 Carmarthen station (CMN) 2:14 PM Cardiff Central (CDF) $40 1 One-way 1 transfer
Other options
- G39195
10:24 AM 2h13 Carmarthen station (CMN) 12:37 PM Cardiff Central (CDF) $25 1 One-way 0 transfers - G38953
9:58 AM 1h52 Carmarthen station (CMN) 11:50 AM Cardiff Central (CDF) $26 1 One-way 0 transfers - G39181
8:30 AM 2h08 Carmarthen station (CMN) 10:38 AM Cardiff Central (CDF) $26 1 One-way 0 transfers
- NX508
11:10 AM 2h30 Carmarthen, Lammas Street (Rose and Crown Hotel) 1:40 PM Cardiff, Sophia Gardens $13 1 One-way 0 transfers
Find all the dates and times for this journey by train, bus, flight, and ferry .
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FAQs: Travel from Carmarthen to Cardiff
Travel to Cardiff 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 Carmarthen to Cardiff.
This is compared to other travel options from Carmarthen to Cardiff:
A bus is $11 (€9) less than a train for this route with tickets for a train from Carmarthen to Cardiff costing on average $27 (€23).
Other travel options to Cardiff take longer:
Bus takes on average 2h 45m.
- Around 8 trains per day.
- Around 2 buses per day.
However, we recommend checking specific travel dates for your route between Carmarthen and Cardiff as scheduled services by train and bus can vary by season or day of the week.
- Trains mostly depart from Carmarthen station (CMN) and arrive in Cardiff Central (CDF).
- Buses mostly depart from Carmarthen, Lammas Street (Rose and Crown Hotel) and arrive in Cardiff, Sophia Gardens.
- Travel with National Express to go to Cardiff by bus.
- Travel with Transport for Wales, Great Western Railway to go to Cardiff by train.
- 1 direct buses per day with National Express.
- 6 direct trains per day with Transport for Wales, Great Western Railway.
Travelling from Carmarthen to Cardiff: related information
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