There are 6 ways to get from London Heathrow Airport (LHR) to Carmarthen by train, bus, night 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.

Recommended option

Train  •  5 h 8 min

  1. Take the train from London Paddington to Swansea
  2. Take the train from Swansea to Carmarthen

$140 - $263

Cheapest option

Bus  •  5 h 50 min

  1. Take the bus from Reading to Carmarthen National Express

$26 - $32

4 alternative options

Bus, night train  •  7 h 8 min

  1. Take the bus from Heathrow Central Bus Station to Cardiff, Kingsway M25
  2. Take the night train from Cardiff Central to Carmarthen

$57 - $94

Drive  •  3 h 15 min

  1. Drive from London Heathrow Airport (LHR) to Carmarthen 200 miles

$40 - $65

Fly to Cardiff, train  •  7 h 6 min

  1. Fly from London Heathrow (LHR) to Cardiff (CWL) LHR - CWL
  2. Take the train from Bridgend to Carmarthen

$112 - $481

Fly to Manchester, train  •  7 h 38 min

  1. Fly from London Heathrow (LHR) to Manchester (MAN) LHR - MAN
  2. Take the train from Wilmslow to Carmarthen

$161 - $394

What companies run services between London Heathrow Airport (LHR), England and Carmarthen, Wales?

You can take a train from London Heathrow Airport (LHR) to Carmarthen via London Paddington and Swansea in around 5 h 8 min. Alternatively, National Express operates a bus from London Heathrow Airport (LHR) to Carmarthen once daily. Tickets cost $17 - $22 and the journey takes 4 h 20 min.

Airlines
British Airways
Website
britishairways.com
Flights from London Heathrow to Manchester
Ave. Duration
1 h 3 min
When
Every day
Estimated price
$80 - $360
Iberia
Website
iberia.com
Flights from London Heathrow to Cardiff via Barcelona
Ave. Duration
5 h 20 min
When
Tuesday, Thursday and Saturday
Estimated price
$150 - $650
Flights from London Heathrow to Cardiff via Madrid
Ave. Duration
6 h
When
Thursday
Estimated price
$180 - $750
Flights from London Heathrow to Manchester
Ave. Duration
1 h 4 min
When
Every day
Estimated price
$80 - $360
Flybe
Website
flybe.com
Flights from London Heathrow to Cardiff via Edinburgh
Ave. Duration
4 h 15 min
When
Sunday
Estimated price
$100 - $460
Flights from London Heathrow to Cardiff via Cork
Ave. Duration
3 h 15 min
When
Thursday
Estimated price
$85 - $450
KLM
Website
klm.com
Flights from London Heathrow to Cardiff via Amsterdam
Ave. Duration
4 h 40 min
When
Every day
Estimated price
$180 - $700
Aer Lingus
Website
aerlingus.com
Flights from London Heathrow to Cardiff via Dublin
Ave. Duration
3 h 25 min
When
Monday, Tuesday, Wednesday, Thursday, Friday and Sunday
Estimated price
$75 - $410
Air France
Website
airfrance.com
Flights from London Heathrow to Cardiff via Paris CDG
Ave. Duration
3 h 40 min
When
Every day
Estimated price
$95 - $420
Vueling Airlines
Website
vueling.com
Flights from London Heathrow to Cardiff via Barcelona
Ave. Duration
5 h 20 min
When
Tuesday, Thursday and Saturday
Estimated price
$150 - $650
Train operators
Great Western Railway
Website
gwr.com
Train from London Paddington to Swansea
Ave. Duration
2 h 56 min
Frequency
Hourly
Estimated price
$100 - $190
Website
gwr.com
Off-Peak Day Single
$55 - $85
Advanced Single
$55 - $80
Anytime Day Single
$100 - $190
Train from Swansea to Carmarthen
Ave. Duration
46 min
Frequency
Twice daily
Estimated price
$17 - $35
Website
gwr.com
Off-Peak Day Single
$12 - $18
Advanced Single
$13 - $19
Anytime Day Single
$17 - $35
Train from Bridgend to Carmarthen
Ave. Duration
1 h 30 min
Frequency
Once daily
Estimated price
$30 - $60
Website
gwr.com
Off-Peak Day Single
$18 - $29
Advanced Single
$20 - $29
Anytime Day Single
$30 - $60
Arriva Trains Wales
Phone
03333 211 202
Email
customer.relations@arrivatrainswales.co.uk
Website
arrivatrainswales.co.uk
Train from Swansea to Carmarthen
Ave. Duration
49 min
Frequency
Hourly
Estimated price
$13 - $21
Website
arrivatrainswales.co.uk
Advanced Single
$7 - $10
Anytime Day Single
$13 - $21
First Anytime Day Single
$20 - $30
Night train from Cardiff Central to Carmarthen
Ave. Duration
2 h 19 min
Frequency
5 times a week
Estimated price
$30 - $50
Website
arrivatrainswales.co.uk
Advanced Single
$15 - $22
Anytime Day Single
$30 - $50
First Anytime Day Single
$50 - $75
Train from Bridgend to Carmarthen
Ave. Duration
1 h 27 min
Frequency
Hourly
Estimated price
$24 - $40
Website
arrivatrainswales.co.uk
Advanced Single
$11 - $17
Anytime Day Single
$24 - $40
First Anytime Day Single
$35 - $55
Train from Wilmslow to Carmarthen
Ave. Duration
4 h 41 min
Frequency
Every 4 hours
Estimated price
$95 - $150
Website
arrivatrainswales.co.uk
Advanced Single
$45 - $65
Anytime Day Single
$95 - $150
First Anytime Day Single
$150 - $230
Bus operators

Want to know more about travelling around the world?

Rome2rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Getting to Rome from the airport, Need to know: Eurostar and Travelling to and around Russia for the 2018 FIFA World Cup - to help you get the most out of your next trip.

Questions & Answers

The distance between London Heathrow Airport (LHR) and Carmarthen is 269 km. The road distance is 320 km.

The cheapest way to get from London Heathrow Airport (LHR) to Carmarthen is to bus which costs £19 - £25 and takes 5 h 50 min.

The quickest way to get from London Heathrow Airport (LHR) to Carmarthen is to drive which takes 3 h 15 min and costs £30 - £50.

No, there is no direct train from London Heathrow Airport (LHR) to Carmarthen. However, there are services departing from Heathrow Terminals 1-3 and arriving at Carmarthen via London Paddington and Swansea. The journey, including transfers, takes approximately 5 h 8 min.

No, there is no direct bus from London Heathrow Airport (LHR) to Carmarthen. However, there are services departing from Heathrow Airport London and arriving at Carmarthen via Reading. The journey, including transfers, takes approximately 5 h 50 min.

It takes approximately 5 h 8 min to get from London Heathrow Airport (LHR) to Carmarthen, including transfers.

Trips from London Heathrow Airport (LHR)

London Heathrow Airport LHR to South Wimbledon Station London Heathrow Airport LHR to The Mandeville Hotel London London Heathrow Airport LHR to Atherstone London Heathrow Airport LHR to Hornsey London Heathrow Airport LHR to Hedge End London Heathrow Airport LHR to Northwood Headquarters London Heathrow Airport LHR to Greater London Region London Heathrow Airport LHR to Guildford Spectrum Leisure Centre London Heathrow Airport LHR to Witham St Hughs London Heathrow Airport LHR to Brest France London Heathrow Airport LHR to London ON Canada London Heathrow Airport LHR to Carrick a Rede Rope Bridge London Heathrow Airport LHR to Petrie Museum of Egyptian Archaeology London Heathrow Airport LHR to Ferryhill London Heathrow Airport LHR to Goleniów London Heathrow Airport LHR to Runnymede Court Hotel Saint Helier Jersey London Heathrow Airport LHR to Kirton Suffolk England London Heathrow Airport LHR to Studland Bay House London Heathrow Airport LHR to Horfield Muller Road Depot London Heathrow Airport LHR to New York State London Heathrow Airport LHR to Walton Community Hospital London Heathrow Airport LHR to Blackfen School For Girls London Heathrow Airport LHR to Poole Quay Ferries for Brownsea Island London Heathrow Airport LHR to Uxbridge Hillingdon T A Centre London Heathrow Airport LHR to Fort William Station London Heathrow Airport LHR to Nottingham University Main Campus Derby Hall London Heathrow Airport LHR to Place Denfert Rochereau London Heathrow Airport LHR to Fontenay sous Bois London Heathrow Airport LHR to Fleet Road London Heathrow Airport LHR to Hotel Chur