The cheapest and fastest coaches from Carmarthen to Swansea
Cheapest price
£8
Average price
£8
Fastest journey
50 m
Average duration
50 m
Buses per day
1
Distance
36 km
The best way to find a cheap coach ticket from Carmarthen to Swansea is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Carmarthen to Swansea will cost around £8 if you buy it on the day, but you can find cheap coach tickets today for only £8.
Of the 1 buses that leave Carmarthen for Swansea every day 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 36 km distance in an average of 50 m but if you time it right, some buses will get you there in just 50 m .
The slowest buses 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.


Travel Information
Compare train and coach 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 train with prices starting from £4. 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 £4, and a coach costs an average of £8.
Distance: 36 km
Compare bus with
| Coach | Most popular Train |
|---|---|
£8 Average Price | £6 Average Price Cheapest |
1h 33m Average total duration 1h 3m Onboard + 30m Additional time* | 1h 17m Average total duration Fastest 47m Onboard + 30m Additional time* |
0.0 - 0.1kg CO2 emissions | 0.0 - 0.0kg CO2 emissions Lowest |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Carmarthen to Swansea bus times
The table below shows live departures for Carmarthen to Swansea coaches for tomorrow, Monday 2 February. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 09:55 Carmarthen | 0h50 | 10:45 Swansea | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Carmarthen to Swansea by train or coach
Compare train and coach 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.
02 Feb
03 Feb
04 Feb
05 Feb
06 Feb
07 Feb
08 Feb
Journey information
Overview: Bus from Carmarthen to Swansea
Buses from Carmarthen to Swansea run on average 3 times per day, taking around 1h 3m. Cheap bus tickets for this journey start at £8 but you can travel from only £4 by train.
There are 3 coaches per day. The earliest coach runs at 00:08, the last at 23:50. The fastest coach covers the 36 km distance in 50m.
Distance 36 km |
Average bus duration 1h 3m |
Cheapest ticket price £8 |
Buses per day 3 |
Direct buses 3 |
Fastest bus 50m |
First bus 00:08 |
Last bus 23:50 |
Bus providers: National Express, Transport for Wales from Carmarthen to SwanseaYou can travel by bus between Carmarthen to Swansea with National Express, Transport for Wales for as low as £4. When you search for schedules and tickets, Omio will show you the best journey
Transport for Wales
National Express
FAQs: Carmarthen to Swansea coach
Find answers to the most common questions about traveling from Carmarthen to Swansea by coach. 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 coach, the cheapest option, or tips for making the most of your visit at Swansea, this guide helps you travel smarter and with confidence.

- National Express
- Assistance
- Priority seating
- Accessible toilets.
- Transport for Wales
- Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- Transport for Wales
- Refund policy depends on ticket type
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- Transport for Wales
- 2 large items of luggage and 1 small hand luggage included
- National Express
- 10€ per additional bag.
- Transport for Wales
- Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
popular bus stations
Important Stations and Airports in Carmarthen and Swansea
- The place has an entrance that is wheelchair-accessible
Most popular bus connections from Carmarthen
More options for your journey from Carmarthen to Swansea
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