Great Western Railway
Transport for Wales
Looking for the cheapest date to travel?
Within 7 days
Outbound fromWithin 1 month
Outbound fromWithin 3 months
Outbound fromLow prices found by our customers
Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
Trains to Swansea from Carmarthen
It takes an average of 49m to travel from Carmarthen to Swansea by train, over a distance of around 22 miles (36 km). There are normally 32 trains per day travelling from Carmarthen to Swansea and tickets for this journey start from £4.90 when you book in advance.
| First train | 03:37 | |
|---|---|---|
| Last train | 22:43 | |
| Departure station | Carmarthen | |
| Arrival station | Swansea | |
| Journey time | From 41m | |
| Distance | 22 miles (36 km) | |
| Frequency | 32 trains per day | |
| Changes | Direct trains available | |
| Price | From £4.90 | |
| Train operators |
Plan your journey from Carmarthen to Swansea
Considering a trip to Swansea and need more information on how to take the train from Carmarthen to Swansea? Start your search with us today!
Usually, the train from Carmarthen to Swansea takes around 49 minutes. Every day, there are around 32 trains running on this popular route.
You can take a direct train from Carmarthen to Swansea.
Great Western Railway and Transport for Wales trains operate on this route.
From Carmarthen to Swansea, tickets start from just £4.90. Booking tickets in advance can be cheaper than buying on the day of travel.
Use our Journey Planner to pick the dates and times you want to travel, and we’ll give you all the options.
What do people frequently ask about the train journey from Carmarthen to Swansea?
Want to know more about your journey from Carmarthen to Swansea? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
Is there a direct train from Carmarthen to Swansea?
How far is Swansea from Carmarthen by train?
Can I get from Carmarthen to Swansea without flying?
What is the best way to get from Carmarthen to Swansea?
When is the first train from Carmarthen to Swansea?
When is the last train from Carmarthen to Swansea?
How often do trains run from Carmarthen to Swansea?
How far in advance can I book tickets from Carmarthen to Swansea?
Looking for a return trip from Carmarthen to Swansea?
How do I find cheap train tickets from Carmarthen to Swansea?
As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.
1. Book in advance
Train tickets from Carmarthen to Swansea start at £4.90§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.
2. Sign up to Ticket Alert
If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.
3. Use a Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.
4. Book split tickets
Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.
5. Travel Off-Peak
If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.
6. Consider a Season Ticket
Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Carmarthen to Swansea is right for you.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.
§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.