There are 6 ways to get from Carmarthen to London Heathrow Airport (LHR) by train, bus, 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  •  4 h 43 min

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

$141 - $261

Cheapest option

Bus National Express  •  5 h 59 min

  1. Take the bus from Carmarthen to Reading National Express

$26 - $33

4 alternative options

Bus Megabus UK  •  6 h 40 min

  1. Take the bus from Carmarthen, Bus Station (Carmarthen Bus Station) to Cardiff, Kingsway M7
  2. Take the bus from Cardiff, Kingsway to Heathrow Central Bus Station M25

$44 - $72

Drive  •  3 h 15 min

  1. Drive from Carmarthen to London Heathrow Airport (LHR) 200.1 miles

$40 - $65

Train to Cardiff, fly  •  6 h 53 min

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

$113 - $411

Train to Manchester, fly  •  7 h 32 min

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

$161 - $394

Questions & Answers

The cheapest way to get from Carmarthen to London Heathrow Airport (LHR) is to bus which costs £19 - £25 and takes 5 h 59 min.

More details

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

More details

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

Get driving directions

It takes approximately 4 h 43 min to get from Carmarthen to London Heathrow Airport (LHR), including transfers.

More details

No, there is no direct bus from Carmarthen to London Heathrow Airport (LHR). However, there are services departing from Carmarthen and arriving at Heathrow Central Bus Station via Three Mile Cross, Mereoak Lane - Park & Ride. The journey, including transfers, takes approximately 5 h 59 min.

More details

No, there is no direct train from Carmarthen to London Heathrow Airport (LHR). However, there are services departing from Carmarthen and arriving at Heathrow Terminals 1-3 via Swansea and London Paddington. The journey, including transfers, takes approximately 4 h 43 min.

More details

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

You can take a train from Carmarthen to London Heathrow Airport (LHR) via Swansea and London Paddington in around 4 h 43 min. Alternatively, National Express operates a bus from Carmarthen to London Heathrow Airport (LHR) once daily. Tickets cost $17 - $22 and the journey takes 4 h 40 min.

Airlines
Iberia
Website
iberia.com
Flights from Cardiff to London Heathrow via Madrid
Ave. Duration
6 h
When
Thursday and Sunday
Estimated price
$110 - $490
Flights from Cardiff to London Heathrow via Barcelona
Ave. Duration
7 h 25 min
When
Tuesday and Thursday
Estimated price
$120 - $500
Flights from Manchester to London Heathrow
Ave. Duration
1 h 8 min
When
Every day
Estimated price
$80 - $360
British Airways
Website
britishairways.com
Flights from Manchester to London Heathrow
Ave. Duration
1 h 6 min
When
Every day
Estimated price
$80 - $360
KLM
Website
klm.com
Flights from Cardiff to London Heathrow via Amsterdam
Ave. Duration
4 h 6 min
When
Every day
Estimated price
$140 - $550
Air France
Website
airfrance.com
Flights from Cardiff to London Heathrow via Paris CDG
Ave. Duration
3 h 57 min
When
Every day
Estimated price
$75 - $330
Flybe
Website
flybe.com
Flights from Cardiff to London Heathrow via Edinburgh
Ave. Duration
4 h 50 min
When
Sunday
Estimated price
$80 - $360
Vueling Airlines
Website
vueling.com
Flights from Cardiff to London Heathrow via Barcelona
Ave. Duration
7 h 25 min
When
Tuesday and Thursday
Estimated price
$120 - $500
Train operators
Arriva Trains Wales
Phone
03333 211 202
Email
customer.relations@arrivatrainswales.co.uk
Website
arrivatrainswales.co.uk
Train from Carmarthen to Swansea
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
Train from Carmarthen to Cardiff Central
Ave. Duration
1 h 45 min
Frequency
Hourly
Estimated price
$30 - $50
Website
arrivatrainswales.co.uk
Advanced Single
$15 - $21
Anytime Day Single
$30 - $50
First Anytime Day Single
$50 - $75
Train from Carmarthen to Wilmslow
Ave. Duration
4 h 49 min
Frequency
Every 2 hours
Estimated price
$95 - $150
Website
arrivatrainswales.co.uk
Advanced Single
$40 - $60
Anytime Day Single
$95 - $150
First Anytime Day Single
$150 - $230
Great Western Railway
Website
gwr.com
Train from Carmarthen to Swansea
Ave. Duration
52 min
Frequency
Twice daily
Estimated price
$17 - $35
Website
gwr.com
Off-Peak Day Single
$11 - $18
Advanced Single
$13 - $19
Anytime Day Single
$17 - $35
Train from Swansea to London Paddington
Ave. Duration
2 h 56 min
Frequency
Hourly
Estimated price
$100 - $190
Website
gwr.com
Off-Peak Day Single
$50 - $85
Advanced Single
$55 - $80
Anytime Day Single
$100 - $190
Train from Carmarthen to Cardiff Central
Ave. Duration
1 h 52 min
Frequency
Twice daily
Estimated price
$40 - $80
Website
gwr.com
Off-Peak Day Single
$24 - $40
Advanced Single
$25 - $40
Anytime Day Single
$40 - $80
Bus operators
National Express

National Express Coaches are a quick and convenient way of travelling around the UK. Over 550 National Express coaches run on Britain's roads every day, serving over 900 destinations across the UK. National Express Coaches carry around 19 million passenger journeys every year. For added convenience, National Express operate coach services to all major UK airports 24 hours per day, and is on its way to being 100% wheelchair accessible. The company also has a 24-hour control centre that receives a GPS signal to update on location, speed and the temperature inside coaches, ensuring the smoothest journey possible.

Contact Details
Phone
+44 08717 818178
Website
nationalexpress.com
Bus from Carmarthen to Reading
Ave. Duration
4 h 40 min
Frequency
Once daily
Estimated price
$17 - $22
Website
nationalexpress.com
Megabus UK
Phone
0871 266 3333
Email
enquiries@megabus.com
Website
uk.megabus.com
Bus from Carmarthen, Bus Station (Carmarthen Bus Station) to Cardiff, Kingsway
Ave. Duration
2 h 5 min
Frequency
Once daily
Estimated price
$19 - $27
Book at
uk.megabus.com
Bus from Cardiff, Kingsway to Heathrow Central Bus Station
Ave. Duration
3 h 35 min
Frequency
3 times a day
Estimated price
$25 - $45
Book at
uk.megabus.com

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