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4.9
4.6The cheapest and fastest trains from Carmarthen to Swansea
Cheapest price
$14
Average price
$14
Fastest journey
45 m
Average duration
48 m
Trains per day
7
Distance
36 km
The best way to find a cheap train ticket from Carmarthen to Swansea is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Carmarthen to Swansea will cost around $14 if you buy it on the day, but the cheapest tickets can be found for only $14.
Of the 7 trains that leave Carmarthen for Swansea on Fri, Jun 19, 7 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Jun 19 the direct trains cover the 36 km distance in an average of 48 m but if you time it right, some trains will get you there in just 45 m .
On Fri, Jun 19 the slowest trains will take 50 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
2:32 PM0h45Carmarthen3:17 PMSwansea$141One-way0 transfers- 7:29 AM0h48Carmarthen8:17 AMSwansea$141One-way0 transfers
- 1:54 PM0h50Carmarthen2:44 PMSwansea$141One-way0 transfers
- 2:56 PM0h50Carmarthen3:46 PMSwansea$151One-way0 transfers
- 8:29 AM0h48Carmarthen9:17 AMSwansea$151One-way0 transfers
- 2:32 PM0h45Carmarthen3:17 PMSwansea$141One-way0 transfers
- 8:29 AM0h48Carmarthen9:17 AMSwansea$151One-way0 transfers
- 7:29 AM0h48Carmarthen8:17 AMSwansea$141One-way0 transfers
- 1:54 PM0h50Carmarthen2:44 PMSwansea$141One-way0 transfers
- 2:56 PM0h50Carmarthen3:46 PMSwansea$151One-way0 transfers
Travel Information
Compare train and bus for Carmarthen to Swansea
Omio recommends booking the train as it is the most popular option from Carmarthen to Swansea among Omio's users. If you are prioritising price take the bus with prices starting from $9. For those with little time consider booking a train which can get you there in 49m. 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 bus costs an average of $9, and a train costs an average of $6.
Distance: 22 miles (36 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$13 Average price | $12 Average price Cheapest | $10 Average price (fuel + tolls) |
1h 19m Average total duration Fastest 49m Onboard + 30m Additional time* | 1h 29m Average total duration 59m Onboard + 30m Additional time* | 46m Average total duration (door-to-door) |
0.0 - 0.0kg CO2 emissions Lowest | 0.0 - 0.1kg 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.
This is compared to other travel options from Carmarthen to Swansea:
A bus is $0.77 (€0.63) less than a train for this route with tickets for a train from Carmarthen to Swansea costing on average $13 (€10).
Other travel options to Swansea take longer:
Bus takes on average 59m.
Tickets start at around $13 (€10) compared to roughly $10 (€8) in fuel and tolls — a saving of about $-2.86 (€-2.34). The journey takes 49m versus 46m 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.
Live departures
Carmarthen to Swansea train times
The table below shows live departures for Carmarthen to Swansea trains for today, Thursday, June 18. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 W35434 | On time 11:27 AM Carmarthen station (CMN) | 0h46 | 12:13 PM Swansea station (SWA) | 0 transfersDirect | |
| G38955 | On time 11:59 AM Carmarthen station (CMN) | 0h51 | 12:50 PM Swansea station (SWA) | 0 transfersDirect | |
| G39205 | On time 12:30 PM Carmarthen station (CMN) | 0h43 | 1:13 PM Swansea station (SWA) | 0 transfersDirect | |
| G38294 | On time 12:56 PM Carmarthen station (CMN) | 0h47 | 1:43 PM Swansea station (SWA) | 0 transfersDirect | |
| G38957 | On time 1:54 PM Carmarthen station (CMN) | 0h50 | 2:44 PM Swansea station (SWA) | 0 transfersDirect | |
| W35435 | On time 2:20 PM Carmarthen station (CMN) | 0h45 | 3:05 PM Swansea station (SWA) | 0 transfersDirect | |
| G39217 | On time 2:33 PM Carmarthen station (CMN) | 0h44 | 3:17 PM Swansea station (SWA) | 0 transfersDirect | |
| G38300 | On time 2:55 PM Carmarthen station (CMN) | 0h46 | 3:41 PM Swansea station (SWA) | 0 transfersDirect | |
| G38959 | On time 4:04 PM Carmarthen station (CMN) | 0h50 | 4:54 PM Swansea station (SWA) | 0 transfersDirect | |
| G15050 | On time 4:19 PM Carmarthen station (CMN) | 0h49 | 5:08 PM Swansea station (SWA) | 0 transfersDirect | |
| G39241 | On time 4:33 PM Carmarthen station (CMN) | 0h44 | 5:17 PM Swansea station (SWA) | 0 transfersDirect | |
| G38303 | On time 4:56 PM Carmarthen station (CMN) | 0h52 | 5:48 PM Swansea station (SWA) | 0 transfersDirect | |
| G38306 | On time 5:57 PM Carmarthen station (CMN) | 0h49 | 6:46 PM Swansea station (SWA) | 0 transfersDirect | |
| W35437 | On time 6:20 PM Carmarthen station (CMN) | 0h49 | 7:09 PM Swansea station (SWA) | 0 transfersDirect | |
| G39263 | On time 6:32 PM Carmarthen station (CMN) | 0h44 | 7:16 PM Swansea station (SWA) | 0 transfersDirect | |
| G38312 | On time 6:57 PM Carmarthen station (CMN) | 0h54 | 7:51 PM Swansea station (SWA) | 0 transfersDirect | |
| G38317 | On time 8:00 PM Carmarthen station (CMN) | 0h49 | 8:49 PM Swansea station (SWA) | 0 transfersDirect | |
| G15052 | On time 8:20 PM Carmarthen station (CMN) | 0h47 | 9:07 PM Swansea station (SWA) | 0 transfersDirect | |
| Friday, June 19 | |||||
| 7:29 AM Carmarthen | 0h48 | 8:17 AM Swansea | 0 transfersDirect | |
| 8:29 AM Carmarthen | 0h48 | 9:17 AM Swansea | 0 transfersDirect | |
Find all the dates and times for this journey
Compare prices and tickets Carmarthen to Swansea by train or bus
Compare train and bus 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.
Jun 19
Jun 20
Jun 21
Jun 22
Jun 23
Jun 24
Jun 25
Why should you book Carmarthen to Swansea trains with Omio?
Why book with Omio vs Transport for Wales?
- Compare with other providers: On Omio, you can not only buy tickets for Transport for Wales, but also compare tickets for the likes of Great Western Railway, Great Western Railway (GWR) or Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
- 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 Transport for Wales with all available travel options, which are train and bus to ensure you get the best deal for traveling from Carmarthen to Swansea.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Great Western Railway, Great Western Railway (GWR) or Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Carmarthen to Swansea.
Journey information
Overview: Train from Carmarthen to Swansea
United KingdomUnited Kingdom
Trains from Carmarthen to Swansea run on average 7 times per day, taking around 49m. Cheap train tickets for this journey start at $6 (€5) if you book in advance.
There are 7 trains per day. The earliest train runs at 00:01, the last at 23:56. The fastest train covers the 22 miles (36 km) distance in 42m.
Distance 22 miles (36 km) |
Average train duration 49m |
Cheapest ticket price $6 (€5) |
Trains per day 7 |
Direct trains 7 |
Fastest train 42m |
First train 12:01 AM |
Last train 11:56 PM |
Cheapest Month May |
Cheapest Day Tue |
High Season Jan - Mar |
Low Season Jul - Sep |
Busiest Day Wed |
Least Busy Day Mon |
Best time to book 1 day |
Train companies: Transport for Wales, Great Western Railway, Great Western Railway (GWR) from Carmarthen to Swansea trainsTransport for Wales, Great Western Railway, Great Western Railway (GWR) trains will get you between Carmarthen and Swansea from $6 (€5). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Transport for Wales
Great Western Railway
Great Western Railway (GWR)
FAQs: Trains from Carmarthen to Swansea
Find answers to the most common questions about traveling from Carmarthen to Swansea 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 Swansea, this guide helps you travel smarter and with confidence.
popular train stations
Popular train stations from Carmarthen to Swansea
Most Carmarthen to Swansea trains use the Carmarthen to Swansea station pair. Use this guide to compare Carmarthen and Swansea train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Which Carmarthen station do trains to Swansea leave from?
Getting to Carmarthen from Carmarthen city centre
Carmarthen train station facilities and services
Carmarthen has practical services for this route, including Shopping, Parking, Dining, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink
Food and drink options are available at Carmarthen.
Tickets and information
Ticket office support is available at Carmarthen.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Carmarthen: Parking, WC.
Bike and car services
Available at Carmarthen: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Carmarthen: 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.
Which Swansea station do trains from Carmarthen arrive at?
Getting to Swansea from Swansea city centre
Swansea train station facilities and services
Swansea has practical services for this route, including Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink
Food and drink options are available at Swansea.
Wi-Fi and ATMs
ATMs are available at Swansea.
Tickets and information
Ticket office support is available at Swansea.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Swansea: Parking, WC.
Bike and car services
Available at Swansea: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Swansea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category A. Step free access to all platforms, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible public telephones: on concourse, 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.
Most popular train connections from Carmarthen
More options for your journey from Carmarthen to Swansea
Here are some other resources that might have the information you need
Most popular trains to and from Swansea and Carmarthen
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