There are 5 ways to get from Heathrow Terminals 2 & 3 to Carmarthen by bus, train, car, or plane
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus, train
best- Take the bus from Heathrow Terminal 2 to Reading RailAirRa1
- Take the train from Reading to Cardiff Central
- Take the train from Cardiff Central to Carmarthen
5h 21m£73–170Bus via Swansea
cheapest- Take the bus from Heathrow Central Bus Station to Queensway Q1Uk940 / ...
- Take the bus from Queensway Q1 to Swansea Bus Station Stand BUk910 / ...
7h 34m£18–33Bus
- Take the bus from Heathrow Central Bus Station to Sophia Gardens201 / ...
- Take the bus from Sophia Gardens to Rose and Crown112
6h 5m£21–51Drive 196.3 mi
- Drive from Heathrow Terminals 2 & 3 to Carmarthen196.3 mi
3h 21m£49–71Fly, train
- Fly from London Heathrow Airport (LHR) to Cardiff Airport (CWL)LHR - CWL
- Take the train from Bridgend to Carmarthen
6h 51m£154–414
Heathrow Terminals 2 & 3 to Carmarthen by foot, bus, and train
Questions & Answers
The cheapest way to get from Heathrow Terminals 2 & 3 to Carmarthen is to bus via Swansea which costs £18 - £35 and takes 7h 34m.
The fastest way to get from Heathrow Terminals 2 & 3 to Carmarthen is to drive which takes 3h 21m and costs £45 - £75.
No, there is no direct bus from Heathrow Terminals 2 & 3 station to Carmarthen. However, there are services departing from Heathrow Central Bus Station and arriving at Rose and Crown via Sophia Gardens. The journey, including transfers, takes approximately 6h 5m.
The distance between Heathrow Terminals 2 & 3 and Carmarthen is 217 miles. The road distance is 197.4 miles.
The best way to get from Heathrow Terminals 2 & 3 to Carmarthen without a car is to bus and train which takes 5h 21m and costs £70 - £170.
It takes approximately 5h 21m to get from Heathrow Terminals 2 & 3 to Carmarthen, including transfers.
Heathrow Terminals 2 & 3 to Carmarthen bus services, operated by National Express, depart from Heathrow Central Bus Station.
Heathrow Terminals 2 & 3 to Carmarthen bus services, operated by National Express, arrive at Sophia Gardens station.
Yes, the driving distance between Heathrow Terminals 2 & 3 to Carmarthen is 197 miles. It takes approximately 3h 21m to drive from Heathrow Terminals 2 & 3 to Carmarthen.
Book your Heathrow Terminals 2 & 3 to Carmarthen bus tickets online with Omio.
What companies run services between Heathrow Terminals 2 & 3, England and Carmarthen, Wales?
You can take a bus from Heathrow Central Bus Station to Rose and Crown via Sophia Gardens in around 6h 5m.
- Website
- ryanair.com
Flights from London Heathrow Airport to Cardiff Airport via Dublin
- Ave. Duration
- 3h 31m
- When
- Thursday, Friday, and Sunday
- Estimated price
- £95–550
- Website
- klm.com
Flights from London Heathrow Airport to Cardiff Airport via Amsterdam Schiphol
- Ave. Duration
- 4h 47m
- When
- Every day
- Estimated price
- £65–380
- Website
- aerlingus.com
Flights from London Heathrow Airport to Cardiff Airport via Dublin
- Ave. Duration
- 3h 40m
- When
- Thursday
- Estimated price
- £120–550
- Website
- loganair.co.uk
Flights from London Heathrow Airport to Cardiff Airport via Edinburgh
- Ave. Duration
- 4h 25m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- £100–450
- Phone
- +44 3457 000 125
- gwr.feedback@gwr.com
- Website
- gwr.com
Train from Reading to Cardiff Central
- Ave. Duration
- 1h 24m
- Frequency
- Hourly
- Estimated price
- £40–110
- Website
- https://www.gwr.com/
Train from Cardiff Central to Carmarthen
- Ave. Duration
- 1h 43m
- Frequency
- Every 4 hours
- Estimated price
- £8–28
- Website
- https://www.gwr.com/
Train from Bridgend to Carmarthen
- Ave. Duration
- 1h 23m
- Frequency
- Every 4 hours
- Estimated price
- £21–22
- Website
- https://www.gwr.com/
- Phone
- 03333 211 202
- Website
- tfw.wales
Train from Cardiff Central to Carmarthen
- Ave. Duration
- 1h 58m
- Frequency
- Hourly
- Estimated price
- £6–15
- Website
- https://tfw.wales/
Train from Bridgend to Carmarthen
- Ave. Duration
- 1h 31m
- Frequency
- Hourly
- Estimated price
- £11–22
- Website
- https://tfw.wales/
- Phone
- +44 345 646 0707
- Website
- railair.com
Bus from Heathrow Terminal 2 to Reading RailAir
- Ave. Duration
- 1h
- Frequency
- Every 15 minutes
- Estimated price
- £27–35
- Website
- https://www.railair.com/
- Phone
- 08717 81 81 81
- Website
- nationalexpress.com
Bus from Heathrow Central Bus Station to Sophia Gardens
- Ave. Duration
- 2h 55m
- Frequency
- Every 30 minutes
- Estimated price
- £13–40
- Website
- https://www.nationalexpress.com/en
Bus from Sophia Gardens to Rose and Crown
- Ave. Duration
- 2h 10m
- Frequency
- Twice daily
- Estimated price
- £8–13
- Website
- https://www.nationalexpress.com/en
- Phone
- +49 30 300 137 300
- service@flixbus.com
- Website
- flixbus.fr
Bus from Heathrow Central Bus Station to Queensway Q1
- Ave. Duration
- 2h 55m
- Frequency
- Hourly
- Estimated price
- £14–25
- Website
- https://www.flixbus.co.uk
Bus from Queensway Q1 to Swansea Bus Station Stand B
- Ave. Duration
- 1h 40m
- Frequency
- Every 20 minutes
- Estimated price
- £4–9
- Website
- https://www.flixbus.co.uk
Want to know more about travelling around United Kingdom
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the UK: What do I need to know?
Read the travel guide
Which London airport should I choose?
Read the travel guide
How to get from Heathrow Airport into central London
Read the travel guide
More Questions & Answers
There are 662+ hotels available in Carmarthen.


















