Travel Information
Compare train and bus for Swansea to Carmarthen
Omio recommends booking the train as it is the most popular option from Swansea to Carmarthen among Omio's users. If you are prioritising price take the train with prices starting from $5. For those with little time consider booking a train which can get you there in 47m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.0kg. The ticket price range depends on the travel mode: a train costs an average of $5, and a bus costs an average of $11.
Distance: 22 miles (36 km)
Compare train with
Most popular Train | Bus |
|---|---|
$10 Average price Cheapest | $12 Average price |
1h 17m Average total duration Fastest 47m Onboard + 30m Additional time* | 1h 28m Average total duration 58m Onboard + 30m Additional time* |
0.0 - 0.0kg CO2 emissions Lowest | 0.0 - 0.1kg CO2 emissions |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Travel optionsfrom Swansea to Carmarthen
How to get from Swansea to Carmarthen by train, bus or flight.
Our recommendation
The best way to travel from Swansea to Carmarthen is by taking a train because it’s the best combination of price and speed.
L6433110:43 AM0h42Swansea station (SWA)11:25 AMCarmarthen station (CMN)$131One-way0 transfers
Cheapest
NX5085:00 PM0h45Swansea, Quadrant Bus Station5:45 PMCarmarthen, Lammas Street (Rose and Crown Hotel)$121One-way0 transfers
Fastest
L6433110:43 AM0h42Swansea station (SWA)11:25 AMCarmarthen station (CMN)$131One-way0 transfers
Other options
L6409111:02 AM0h54Swansea station (SWA)11:56 AMCarmarthen station (CMN)$141One-way0 transfers
P2977610:27 AM0h44Swansea station (SWA)11:11 AMCarmarthen station (CMN)$191One-way0 transfers
L6409212:16 PM0h51Swansea station (SWA)1:07 PMCarmarthen station (CMN)$131One-way0 transfers
NX1125:35 PM0h45Swansea, Quadrant Bus Station6:20 PMCarmarthen, Lammas Street (Rose and Crown Hotel)$131One-way0 transfers
Find all the dates and times for this journey by train, bus, flight, and ferry .
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FAQs: Travel from Swansea 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 Swansea to Carmarthen.

This is compared to other travel options from Swansea to Carmarthen:
A train is $5 (€4) less than a bus for this route with tickets for a bus from Swansea to Carmarthen costing on average $11 (€9).
Other travel options to Carmarthen take longer:
Bus takes on average 45m.
- Around 7 trains per day.
- Around 3 buses per day.
However, we recommend checking specific travel dates for your route between Swansea and Carmarthen as scheduled services by train and bus can vary by season or day of the week.
- Trains mostly depart from Swansea station (SWA) and arrive in Carmarthen station (CMN).
- Buses mostly depart from Swansea, Quadrant Bus Station and arrive in Carmarthen, Lammas Street (Rose and Crown Hotel).
- Travel with National Express to go to Carmarthen by bus.
- Travel with Transport for Wales, Great Western Railway, first_great_western, Transport for Wales to go to Carmarthen by train.
- 7 direct trains per day with Great Western Railway, first_great_western, Transport for Wales.
Travelling from Swansea to Carmarthen: related information
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